Year of Publication | Britain | Russia | India | China | Total Citable Documents |
1996 | 198 | 5 | 12 | 11 | 226 |
1997 | 165 | 4 | 15 | 11 | 195 |
1998 | 164 | 7 | 27 | 5 | 203 |
1999 | 192 | 6 | 28 | 6 | 232 |
2000 | 199 | 6 | 17 | 9 | 231 |
2001 | 165 | 9 | 22 | 11 | 207 |
2002 | 182 | 3 | 28 | 17 | 230 |
2003 | 238 | 7 | 30 | 24 | 299 |
2004 | 211 | 7 | 24 | 33 | 275 |
2005 | 293 | 9 | 37 | 35 | 374 |
2006 | 381 | 16 | 59 | 50 | 506 |
2007 | 377 | 9 | 45 | 60 | 491 |
2008 | 364 | 7 | 59 | 69 | 499 |
2009 | 352 | 6 | 67 | 112 | 537 |
2010 | 323 | 10 | 69 | 168 | 570 |
2011 | 377 | 13 | 98 | 347 | 835 |
2012 | 298 | 16 | 94 | 459 | 867 |
Total | 4479 | 140 | 731 | 1427 | 6777 |