| 1997 |
71%
|
| 1984 |
77%
|
| 1988 |
77%
|
| 1987 |
61%
|
| 1993 |
74%
|
| 1991 |
74%
|
| 1993 |
74%
|
| 1992 |
74%
|
| 1999 |
49%
|
| 1987 |
53%
|
| 1997 |
66%
|
| 1996 |
66%
|
| 1998 |
66%
|
