| 1978 |
85%
|
| 1974 |
85%
|
| 1975 |
85%
|
| 1973 |
85%
|
| 1976 |
85%
|
| 1983 |
75%
|
| 1984 |
75%
|
| 1977 |
65%
|
| 1983 |
50%
|
| 1995 |
72%
|
| 1997 |
72%
|
| 1996 |
72%
|
| 1996 |
68%
|
| 1981 |
66%
|
| 1979 |
66%
|
| 1984 |
56%
|
| 1991 |
39%
|
