| 1987 |
78%
|
| 1998 |
83%
|
| 1990 |
79%
|
| 1989 |
74%
|
| 1979 |
70%
|
| 1979 |
71%
|
| 1998 |
39%
|
| 1996 |
64%
|
| 1982 |
66%
|
| 1981 |
66%
|
| 1979 |
59%
|
