| Request Type | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|---|---|---|---|---|---|
| Successful requests | 9,303 | 26,011 | 41,266 | 91,596 | 221,142 | 328,134 | 215,875 | 42,178 | 85,430 | 136,259 |
| Distinct files requested | 104 | 87 | 207 | 152 | 861 | 1,765 | 14,903 | 896 | 1,360 | 41,054 |
| Distinct hosts served | 3,873 | 10,345 | 12,185 | 31,091 | 40,972 | 55,483 | 23,239 | 13,740 | 37,623 | 42,546 |