| 1991 | 34 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1989 | 32 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1988 | 31 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1987 | 30 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1986 | 29 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1985 | 28 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1984 | 27 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1983 | 26 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1982 | 25 | 1 2 3 4 5 6 7 8 9 10 11 |
|
| 1981 | 24 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1980 | 23 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1979 | 22 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|
| 1978 | 21 | 1 2 3 4 5 6 7 8 9 10 11 12 |
|