|||
1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | |
---|---|---|---|---|---|---|---|---|---|---|---|
Nature | 16.546 | 17.466 | 15.637 | 1.877 | 16.962 | 17.371 | 19.291 | 20.395 | 20.988 | 21.407 | 21.441 |
Science | 11.665 | 5.488 | 0.770 | 2.357 | 16.521 | 17.406 | 20.789 | 21.534 | 21.213 | 22.009 | 23.436 |
New England Journal of Medicine | 6.193 | 9.839 | 20.901 | 18.328 | 19.839 | 20.922 | 27.477 | 14.619 | 15.066 | 14.341 | 14.931 |
Cell | 29.661 | 20.000 | 20.430 | 22.865 | 24.185 | 25.553 | 27.430 | 22.464 | 24.865 | 21.348 | 26.250 |
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