Boys
| Year | Place | Points |
| 1997 | 8th place | 226 points |
| 1998 | 12th place | 338 points |
| 1999 | 7th place | 212 points |
| 2000 | 3rd place | 95 points |
| 2001 | 4th place | 108 points |
| 2002 | 7th place | 194 points |
| 2003 | 6th place | 183 points |
| 2004 | 17th place | 411 points |
| 2005 | 8th place | 211 points |
| 2006 | 3rd place | 107 points |
| 2007 | 3rd place | 133 points |
Girls
| Year | Place | Points |
| 1989 | 14th place | 332 points |
| 1990 | 6th place | 226 points |
| 1991 | 14th place | 378 points |
| 1992 | 10th place | 232 points |
| 1993 | 15th place | 374 points |
| 1994 | 12th place | 293 points |
| 1995 | 13th place | 347 points |
| 1996 | 13th place | 314 points |
| 1997 | 13th place | 314 points |
| 1998 | 6th place | 215 points |
| 1999 | 5th place | 145 points |
| 2000 | 7th place | 225 points |
| 2001 | 11th place | 276 points |
| 2002 | N/A | no score |
| 2003 | 21st place | 496 points |
| 2004 | 8th place | 278 points |
| 2005 | 5th place | 199 points |
| 2006 | 3rd place | 132 points |
| 2007 | 1st place | 50 points |