SJR
The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.
| Year | SJR |
|---|---|
| 1999 | 1.000 |
| 2000 | 0.982 |
| 2001 | 1.037 |
| 2002 | 1.148 |
| 2003 | 1.511 |
| 2004 | 1.624 |
| 2005 | 1.669 |
| 2006 | 1.490 |
| 2007 | 1.414 |
| 2008 | 1.395 |
| 2009 | 1.472 |
| 2010 | 1.508 |
| 2011 | 1.598 |
| 2012 | 1.604 |
| 2013 | 1.411 |
| 2014 | 1.252 |
| 2015 | 1.321 |
| 2016 | 1.466 |
| 2017 | 1.433 |
| 2018 | 1.267 |
| 2019 | 1.097 |
| 2020 | 1.025 |
| 2021 | 0.929 |
| 2022 | 0.851 |
Total Documents
Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.
| Year | Documents |
|---|---|
| 1999 | 228 |
| 2000 | 230 |
| 2001 | 246 |
| 2002 | 227 |
| 2003 | 212 |
| 2004 | 213 |
| 2005 | 258 |
| 2006 | 281 |
| 2007 | 302 |
| 2008 | 318 |
| 2009 | 300 |
| 2010 | 289 |
| 2011 | 294 |
| 2012 | 276 |
| 2013 | 250 |
| 2014 | 243 |
| 2015 | 220 |
| 2016 | 217 |
| 2017 | 152 |
| 2018 | 197 |
| 2019 | 164 |
| 2020 | 146 |
| 2021 | 114 |
| 2022 | 147 |
Citations per document
This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.
| Cites per document | Year | Value |
|---|---|---|
| Cites / Doc. (4 years) | 1999 | 2.741 |
| Cites / Doc. (4 years) | 2000 | 2.884 |
| Cites / Doc. (4 years) | 2001 | 3.019 |
| Cites / Doc. (4 years) | 2002 | 3.350 |
| Cites / Doc. (4 years) | 2003 | 3.871 |
| Cites / Doc. (4 years) | 2004 | 4.105 |
| Cites / Doc. (4 years) | 2005 | 4.622 |
| Cites / Doc. (4 years) | 2006 | 5.058 |
| Cites / Doc. (4 years) | 2007 | 4.476 |
| Cites / Doc. (4 years) | 2008 | 4.743 |
| Cites / Doc. (4 years) | 2009 | 4.381 |
| Cites / Doc. (4 years) | 2010 | 4.585 |
| Cites / Doc. (4 years) | 2011 | 4.281 |
| Cites / Doc. (4 years) | 2012 | 4.430 |
| Cites / Doc. (4 years) | 2013 | 4.352 |
| Cites / Doc. (4 years) | 2014 | 3.963 |
| Cites / Doc. (4 years) | 2015 | 3.684 |
| Cites / Doc. (4 years) | 2016 | 4.116 |
| Cites / Doc. (4 years) | 2017 | 3.725 |
| Cites / Doc. (4 years) | 2018 | 3.898 |
| Cites / Doc. (4 years) | 2019 | 3.686 |
| Cites / Doc. (4 years) | 2020 | 3.512 |
| Cites / Doc. (4 years) | 2021 | 3.938 |
| Cites / Doc. (4 years) | 2022 | 3.787 |
| Cites / Doc. (3 years) | 1999 | 2.741 |
| Cites / Doc. (3 years) | 2000 | 2.877 |
| Cites / Doc. (3 years) | 2001 | 3.060 |
| Cites / Doc. (3 years) | 2002 | 3.503 |
| Cites / Doc. (3 years) | 2003 | 3.942 |
| Cites / Doc. (3 years) | 2004 | 4.168 |
| Cites / Doc. (3 years) | 2005 | 4.790 |
| Cites / Doc. (3 years) | 2006 | 4.919 |
| Cites / Doc. (3 years) | 2007 | 4.246 |
| Cites / Doc. (3 years) | 2008 | 4.623 |
| Cites / Doc. (3 years) | 2009 | 4.309 |
| Cites / Doc. (3 years) | 2010 | 4.400 |
| Cites / Doc. (3 years) | 2011 | 4.215 |
| Cites / Doc. (3 years) | 2012 | 4.325 |
| Cites / Doc. (3 years) | 2013 | 3.984 |
| Cites / Doc. (3 years) | 2014 | 3.822 |
| Cites / Doc. (3 years) | 2015 | 3.691 |
| Cites / Doc. (3 years) | 2016 | 4.125 |
| Cites / Doc. (3 years) | 2017 | 3.763 |
| Cites / Doc. (3 years) | 2018 | 3.835 |
| Cites / Doc. (3 years) | 2019 | 3.447 |
| Cites / Doc. (3 years) | 2020 | 3.392 |
| Cites / Doc. (3 years) | 2021 | 3.832 |
| Cites / Doc. (3 years) | 2022 | 3.705 |
| Cites / Doc. (2 years) | 1999 | 2.573 |
| Cites / Doc. (2 years) | 2000 | 2.694 |
| Cites / Doc. (2 years) | 2001 | 3.120 |
| Cites / Doc. (2 years) | 2002 | 3.576 |
| Cites / Doc. (2 years) | 2003 | 3.960 |
| Cites / Doc. (2 years) | 2004 | 4.105 |
| Cites / Doc. (2 years) | 2005 | 4.544 |
| Cites / Doc. (2 years) | 2006 | 4.435 |
| Cites / Doc. (2 years) | 2007 | 3.950 |
| Cites / Doc. (2 years) | 2008 | 4.374 |
| Cites / Doc. (2 years) | 2009 | 4.100 |
| Cites / Doc. (2 years) | 2010 | 4.197 |
| Cites / Doc. (2 years) | 2011 | 4.195 |
| Cites / Doc. (2 years) | 2012 | 3.851 |
| Cites / Doc. (2 years) | 2013 | 3.733 |
| Cites / Doc. (2 years) | 2014 | 3.711 |
| Cites / Doc. (2 years) | 2015 | 3.562 |
| Cites / Doc. (2 years) | 2016 | 4.251 |
| Cites / Doc. (2 years) | 2017 | 3.604 |
| Cites / Doc. (2 years) | 2018 | 3.420 |
| Cites / Doc. (2 years) | 2019 | 3.221 |
| Cites / Doc. (2 years) | 2020 | 3.357 |
| Cites / Doc. (2 years) | 2021 | 3.413 |
| Cites / Doc. (2 years) | 2022 | 3.562 |
Total Cites
Self-Cites
Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.
| Cites | Year | Value |
|---|---|---|
| Self Cites | 1999 | 215 |
| Self Cites | 2000 | 230 |
| Self Cites | 2001 | 257 |
| Self Cites | 2002 | 326 |
| Self Cites | 2003 | 341 |
| Self Cites | 2004 | 329 |
| Self Cites | 2005 | 390 |
| Self Cites | 2006 | 356 |
| Self Cites | 2007 | 403 |
| Self Cites | 2008 | 494 |
| Self Cites | 2009 | 432 |
| Self Cites | 2010 | 381 |
| Self Cites | 2011 | 418 |
| Self Cites | 2012 | 453 |
| Self Cites | 2013 | 365 |
| Self Cites | 2014 | 343 |
| Self Cites | 2015 | 337 |
| Self Cites | 2016 | 334 |
| Self Cites | 2017 | 216 |
| Self Cites | 2018 | 280 |
| Self Cites | 2019 | 191 |
| Self Cites | 2020 | 171 |
| Self Cites | 2021 | 119 |
| Self Cites | 2022 | 164 |
| Total Cites | 1999 | 1664 |
| Total Cites | 2000 | 1795 |
| Total Cites | 2001 | 1983 |
| Total Cites | 2002 | 2466 |
| Total Cites | 2003 | 2771 |
| Total Cites | 2004 | 2855 |
| Total Cites | 2005 | 3123 |
| Total Cites | 2006 | 3360 |
| Total Cites | 2007 | 3193 |
| Total Cites | 2008 | 3888 |
| Total Cites | 2009 | 3882 |
| Total Cites | 2010 | 4048 |
| Total Cites | 2011 | 3823 |
| Total Cites | 2012 | 3819 |
| Total Cites | 2013 | 3422 |
| Total Cites | 2014 | 3134 |
| Total Cites | 2015 | 2838 |
| Total Cites | 2016 | 2941 |
| Total Cites | 2017 | 2559 |
| Total Cites | 2018 | 2259 |
| Total Cites | 2019 | 1951 |
| Total Cites | 2020 | 1740 |
| Total Cites | 2021 | 1943 |
| Total Cites | 2022 | 1571 |
External Cites per Doc
Cites per Doc
Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.
| Cites | Year | Value |
|---|---|---|
| External Cites per document | 1999 | 2.387 |
| External Cites per document | 2000 | 2.508 |
| External Cites per document | 2001 | 2.664 |
| External Cites per document | 2002 | 3.040 |
| External Cites per document | 2003 | 3.457 |
| External Cites per document | 2004 | 3.688 |
| External Cites per document | 2005 | 4.192 |
| External Cites per document | 2006 | 4.398 |
| External Cites per document | 2007 | 3.710 |
| External Cites per document | 2008 | 4.036 |
| External Cites per document | 2009 | 3.829 |
| External Cites per document | 2010 | 3.986 |
| External Cites per document | 2011 | 3.754 |
| External Cites per document | 2012 | 3.812 |
| External Cites per document | 2013 | 3.559 |
| External Cites per document | 2014 | 3.404 |
| External Cites per document | 2015 | 3.252 |
| External Cites per document | 2016 | 3.656 |
| External Cites per document | 2017 | 3.446 |
| External Cites per document | 2018 | 3.360 |
| External Cites per document | 2019 | 3.110 |
| External Cites per document | 2020 | 3.058 |
| External Cites per document | 2021 | 3.598 |
| External Cites per document | 2022 | 3.318 |
| Cites per document | 1999 | 2.741 |
| Cites per document | 2000 | 2.877 |
| Cites per document | 2001 | 3.060 |
| Cites per document | 2002 | 3.503 |
| Cites per document | 2003 | 3.942 |
| Cites per document | 2004 | 4.168 |
| Cites per document | 2005 | 4.790 |
| Cites per document | 2006 | 4.919 |
| Cites per document | 2007 | 4.246 |
| Cites per document | 2008 | 4.623 |
| Cites per document | 2009 | 4.309 |
| Cites per document | 2010 | 4.400 |
| Cites per document | 2011 | 4.215 |
| Cites per document | 2012 | 4.325 |
| Cites per document | 2013 | 3.984 |
| Cites per document | 2014 | 3.822 |
| Cites per document | 2015 | 3.691 |
| Cites per document | 2016 | 4.125 |
| Cites per document | 2017 | 3.763 |
| Cites per document | 2018 | 3.835 |
| Cites per document | 2019 | 3.447 |
| Cites per document | 2020 | 3.392 |
| Cites per document | 2021 | 3.832 |
| Cites per document | 2022 | 3.705 |
% International Collaboration
International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.
| Year | International Collaboration |
|---|---|
| 1999 | 16.23 |
| 2000 | 18.70 |
| 2001 | 9.35 |
| 2002 | 11.01 |
| 2003 | 15.57 |
| 2004 | 17.37 |
| 2005 | 13.95 |
| 2006 | 18.86 |
| 2007 | 19.21 |
| 2008 | 21.07 |
| 2009 | 22.33 |
| 2010 | 18.69 |
| 2011 | 19.73 |
| 2012 | 21.74 |
| 2013 | 26.00 |
| 2014 | 24.28 |
| 2015 | 20.45 |
| 2016 | 19.35 |
| 2017 | 23.03 |
| 2018 | 22.84 |
| 2019 | 23.78 |
| 2020 | 23.29 |
| 2021 | 31.58 |
| 2022 | 17.69 |
Citable documents
Non-citable documents
Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.
| Documents | Year | Value |
|---|---|---|
| Non-citable documents | 1999 | 7 |
| Non-citable documents | 2000 | 4 |
| Non-citable documents | 2001 | 2 |
| Non-citable documents | 2002 | 6 |
| Non-citable documents | 2003 | 7 |
| Non-citable documents | 2004 | 12 |
| Non-citable documents | 2005 | 11 |
| Non-citable documents | 2006 | 11 |
| Non-citable documents | 2007 | 9 |
| Non-citable documents | 2008 | 8 |
| Non-citable documents | 2009 | 6 |
| Non-citable documents | 2010 | 2 |
| Non-citable documents | 2011 | 2 |
| Non-citable documents | 2012 | 2 |
| Non-citable documents | 2013 | 8 |
| Non-citable documents | 2014 | 7 |
| Non-citable documents | 2015 | 11 |
| Non-citable documents | 2016 | 7 |
| Non-citable documents | 2017 | 7 |
| Non-citable documents | 2018 | 5 |
| Non-citable documents | 2019 | 5 |
| Non-citable documents | 2020 | 6 |
| Non-citable documents | 2021 | 4 |
| Non-citable documents | 2022 | 3 |
| Citable documents | 1999 | 600 |
| Citable documents | 2000 | 620 |
| Citable documents | 2001 | 646 |
| Citable documents | 2002 | 698 |
| Citable documents | 2003 | 696 |
| Citable documents | 2004 | 673 |
| Citable documents | 2005 | 641 |
| Citable documents | 2006 | 672 |
| Citable documents | 2007 | 743 |
| Citable documents | 2008 | 833 |
| Citable documents | 2009 | 895 |
| Citable documents | 2010 | 918 |
| Citable documents | 2011 | 905 |
| Citable documents | 2012 | 881 |
| Citable documents | 2013 | 851 |
| Citable documents | 2014 | 813 |
| Citable documents | 2015 | 758 |
| Citable documents | 2016 | 706 |
| Citable documents | 2017 | 673 |
| Citable documents | 2018 | 584 |
| Citable documents | 2019 | 561 |
| Citable documents | 2020 | 507 |
| Citable documents | 2021 | 503 |
| Citable documents | 2022 | 421 |
Cited documents
Uncited documents
Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.
| Documents | Year | Value |
|---|---|---|
| Uncited documents | 1999 | 155 |
| Uncited documents | 2000 | 130 |
| Uncited documents | 2001 | 151 |
| Uncited documents | 2002 | 119 |
| Uncited documents | 2003 | 114 |
| Uncited documents | 2004 | 119 |
| Uncited documents | 2005 | 76 |
| Uncited documents | 2006 | 67 |
| Uncited documents | 2007 | 81 |
| Uncited documents | 2008 | 91 |
| Uncited documents | 2009 | 121 |
| Uncited documents | 2010 | 117 |
| Uncited documents | 2011 | 123 |
| Uncited documents | 2012 | 87 |
| Uncited documents | 2013 | 117 |
| Uncited documents | 2014 | 100 |
| Uncited documents | 2015 | 107 |
| Uncited documents | 2016 | 85 |
| Uncited documents | 2017 | 92 |
| Uncited documents | 2018 | 72 |
| Uncited documents | 2019 | 82 |
| Uncited documents | 2020 | 86 |
| Uncited documents | 2021 | 68 |
| Uncited documents | 2022 | 49 |
| Cited documents | 1999 | 452 |
| Cited documents | 2000 | 494 |
| Cited documents | 2001 | 497 |
| Cited documents | 2002 | 585 |
| Cited documents | 2003 | 589 |
| Cited documents | 2004 | 566 |
| Cited documents | 2005 | 576 |
| Cited documents | 2006 | 616 |
| Cited documents | 2007 | 671 |
| Cited documents | 2008 | 750 |
| Cited documents | 2009 | 780 |
| Cited documents | 2010 | 803 |
| Cited documents | 2011 | 784 |
| Cited documents | 2012 | 796 |
| Cited documents | 2013 | 742 |
| Cited documents | 2014 | 720 |
| Cited documents | 2015 | 662 |
| Cited documents | 2016 | 628 |
| Cited documents | 2017 | 588 |
| Cited documents | 2018 | 517 |
| Cited documents | 2019 | 484 |
| Cited documents | 2020 | 427 |
| Cited documents | 2021 | 439 |
| Cited documents | 2022 | 375 |
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Metrics based on Scopus® data as of April 2023
