| Year |
Total number of papers (a) |
Number of papers in the top 10% (b) |
b / a |
Number of papers in the top 1% (c) |
c / a |
| 2004 |
2,295 |
695 |
30.3％ |
120 |
5.4％ |
| 2003 |
2,090 |
579 |
27.7％ |
102 |
4.9％ |
| 2002 |
1,735 |
390 |
22.5％ |
73 |
4.2％ |
| 2001 |
1,509 |
348 |
23.1％ |
62 |
4.1％ |
| 2000 |
1,179 |
218 |
18.5％ |
39 |
3.3％ |
| 1999 |
1,019 |
155 |
15.2％ |
22 |
2.2％ |
| 1998 |
918 |
155 |
16.9％ |
16 |
1.7％ |
| 1997 |
769 |
132 |
17.2％ |
14 |
1.8％ |
| 1996 |
539 |
91 |
16.9％ |
7 |
1.3％ |
| 1995 |
429 |
69 |
16.1％ |
7 |
1.6％ |
|
