| 1989 |
78%
|
| 1990 |
61%
|
| 1995 |
72%
|
| 1995 |
50%
|
| 1985 |
75%
|
| 1994 |
45%
|
| 1976 |
67%
|
| 1991 |
61%
|
| 1999 |
60%
|
| 1986 |
55%
|
| 1983 |
66%
|
| 1991 |
62%
|
