Év | Impakt faktor | Összes közlemény | Impakt faktorral rendelkező közlemények | Megvédett Ph.D. értekezés |
1990 | 12,529 | 11 | 7 | - |
1991 | 30,610 | 22 | 14 | - |
1992 | 25,825 | 22 | 14 | - |
1993 | 34,706 | 19 | 14 | - |
1994 | 56,193 | 25 | 22 | - |
1995 | 51,321 | 32 | 18 | - |
1996 | 80,229 | 38 | 30 | - |
1997 | 64,551 | 26 | 20 | 1 |
1998 | 68,508 | 35 | 29 | 1 |
1999 | 160,481 | 41 | 37 | 3 |
2000 | 97,197 | 49 | 40 | 2 |
2001 | 109,567 | 41 | 37 | 2 |
2002 | 133,723 | 43 | 36 | 6 |
2003 | 138,066 | 48 | 40 | 4 |
2004 | 154,577 | 43 | 38 | 2 |
2005 | 177,389 | 40 | 37 | 2 |
2006 | 160,777 | 49 | 43 | 6 |
2007 | 131,644 | 44 | 38 | 3 |
2008 | 168,504 | 48 | 44 | 2 |
2009 | 142,466 | 40 | 34 | 2 |
2010 | 174,837 | 36 | 34 | 1 |
2011 | 153,766 | 33 | 28 | 2 |
2012 | 193,575 | 42 | 37 | 2 |
2013 | 178,129 | 51 | 38 | 4 |
2014 | 149,240 | 34 | 30 | 4 |
2015 | 178,663 | 34 | 32 | 5 |
2016 | 112,469 | 37 | 32 | 2 |
2017 | 78,592 | 28 | 19 | 1 |
2018 | 96,245 | 28 | 26 | 3 |
2019 | 221,293 | 44 | 42 | 4 |
2020 | 118,723 | 30 | 30 | 1 |