| 1978 |
85%
|
| 1974 |
85%
|
| 1975 |
85%
|
| 1973 |
85%
|
| 1976 |
85%
|
| 1979 |
85%
|
| 1977 |
85%
|
| 1985 |
80%
|
| 1987 |
80%
|
| 1986 |
80%
|
| 1982 |
75%
|
| 1978 |
70%
|
| 1984 |
67%
|
| 1984 |
75%
|
| 1967 |
81%
|
| 1985 |
77%
|
| 1983 |
72%
|
| 1982 |
72%
|
| 1981 |
72%
|
