| 1983 |
82%
|
| 1996 |
74%
|
| 1987 |
78%
|
| 1984 |
75%
|
| 1993 |
64%
|
| 1983 |
71%
|
| 1981 |
71%
|
| 1985 |
67%
|
| 1987 |
54%
|
| 1985 |
71%
|
| 1992 |
72%
|
| 1999 |
36%
|
| 1987 |
60%
|
| 1978 |
48%
|
| 1998 |
61%
|
