| 1985 |
70%
|
| 1995 |
67%
|
| 1998 |
57%
|
| 1979 |
71%
|
| 1980 |
71%
|
| 1976 |
79%
|
| 1978 |
70%
|
| 1960 |
41%
|
| 1984 |
57%
|
| 1984 |
56%
|
| 1983 |
56%
|
