| PARTICIPATION SINCE 1984 | |||||||
| Talent | Programming | Applications | |||||
| Search* | Olympiad** | Olympiad | |||||
| Year | Participants | Centres | Participants | Centres | Participants | Centres | |
| 2012 | 35 613 | 366 | 4 848 | 223 | 12 755 | 329 | |
| 2011 | 31 591 | 459 | 2 696 | 187 | 12 943 | 393 | |
| 2010 | 37 907 | 438 | 3 502 | 199 | 6 318 | 118 | |
| 2009 | 33 119 | 410 | 2 776 | 183 | |||
| 2008 | 22 765 | 361 | 2 714 | 181 | |||
| 2007 | 33 893 | 489 | 3 301 | 214 | |||
| 2006 | 31 926 | 433 | 3 873 | 223 | |||
| 2005 | 15 200 | 405 | 2 575 | 251 | |||
| 2004 | 12 855 | 432 | 2 582 | 248 | |||
| 2003 | 11 123 | 397 | 2 409 | 239 | |||
| 2002 | 3 056 | 267 | |||||
| 2001 | 3 315 | 291 | |||||
| 2000 | 3 999 | 350 | |||||
| 1999 | 3 832 | 352 | |||||
| 1998 | 3 832 | 352 | |||||
| 1997 | 4 994 | 391 | |||||
| 1996 | 3 784 | 365 | |||||
| 1995 | 3 488 | 370 | |||||
| 1994 | 3 198 | 355 | |||||
| 1993 | 3 037 | 314 | |||||
| 1992 | 2 681 | 325 | |||||
| 1991 | 2 777 | 323 | |||||
| 1990 | 3 004 | 313 | |||||
| 1989 | 1 781 | 250 | |||||
| 1988 | 1 874 | 207 | |||||
| 1987 | 1 750 | 273 | |||||
| 1986 | 61 | 41 | |||||
| 1985 | 75 | 37 | |||||
| 1984 | 70 | 35 | |||||
| *From 2003 to 2011 the “Talent Search” was known as the “First Round” of the Computer Olympiad. | |||||||
| **From 2003 to 2011 the “Programming Olympiad” was known as the “Second Round” of the Computer Olympiad. | |||||||