| Year |
Boys |
Girls |
| 2009 |
10th |
3rd |
| 2008 |
14th |
2nd |
| 2007 |
12th |
2nd |
| 2006 |
11th |
1st |
| 2005 |
9th |
1st |
| 2004 |
4th |
2nd |
| 2003 |
3rd |
4th |
| 2002 |
8th |
7th |
| 2001 |
11th |
9th |
| 2000 |
11th |
6th |
| 1999 |
10th |
5th |
| 1998 |
8th |
6th |
| 1997 |
12th |
6th |
| 1996 |
8th |
8th |
| 1995 |
11th |
5th |
| 1994 |
6th |
5th |
| 1993 |
4th |
6th |
| 1992 |
4th |
5th |
| 1991 |
8th |
4th |
| 1990 |
7th |
11th |
| 1989 |
10th |
8th |
| 1988 |
13th |
8th |
| 1987 |
13th |
10th |
| 1986 |
9th |
12th |
| 1985 |
7th |
10th |
| 1984 |
3rd |
9th |
| 1983 |
7th |
7th |
| 1982 |
2nd |
12th |
| 1981 |
1st |
7th |
| 1980 |
4th |
5th |
| 1979 |
9th |
5th |
| 1978 |
5th |
5th |
| 1977 |
3rd |
6th |
| 1976 |
8th |
8th |
| 1975 |
8th |
8th |
| 1974 |
13th |
4th |
| 1973 |
8th |
3rd |
| 1972 |
2nd |
3rd |
| 1971 |
3rd |
5th |
| 1970 |
4th |
|
| 1969 |
1st |
|
| 1968 |
1st |
|
| 1967 |
1st |
|
| 1966 |
1st |
|
| 1965 |
1st |
|
| 1964 |
3rd |
|
|