1988-89
- 3 times
1987-88
- 4 times
1986-87
- 3 times
1985-86
- 4 times
1984-85
- 5 times
1983-84
- 5 times
1982-83
- 4 times
1981-82
- 5 times
1980-81
- 6 times
1979-80
- 5 times
1978-79
- 5 times
1977-78
- 5 times
1976-77
- 4 times
1975-76
- 9 times
1974-75
- 9 times
1973-74
- 11 times
1972-73
- 13 times
1971-72
- 13 times
1970-71
- 9 times
1969-70
- 7 times
1968-69
- 7 times
1967-68
- 8 times
1966-67
- 4 times
