| 1985 |
72%
|
| 1998 |
54%
|
| 1980 |
85%
|
| 1978 |
85%
|
| 1974 |
85%
|
| 1981 |
85%
|
| 1975 |
85%
|
| 1973 |
85%
|
| 1976 |
85%
|
| 1982 |
85%
|
| 1979 |
85%
|
| 1977 |
85%
|
| 1998 |
67%
|
| 2000 |
66%
|
| 1987 |
62%
|
| 1994 |
45%
|
| 1974 |
84%
|
