| 1987 |
46%
|
| 1991 |
64%
|
| 1989 |
48%
|
| 1993 |
36%
|
| 1989 |
41%
|
| 1994 |
41%
|
| 1995 |
33%
|
| 1993 |
31%
|
| 1988 |
40%
|
| 1989 |
43%
|
| 1995 |
29%
|
