| 1983 |
75%
|
| 1998 |
51%
|
| 1999 |
41%
|
| 1979 |
65%
|
| 1976 |
65%
|
| 1985 |
71%
|
| 1967 |
81%
|
| 1996 |
46%
|
| 1988 |
50%
|
| 1984 |
67%
|
| 1986 |
69%
|
| 1992 |
32%
|
| 1994 |
56%
|
