| 1998 |
86%
|
| 1996 |
86%
|
| 1993 |
72%
|
| 1984 |
66%
|
| 1988 |
74%
|
| 1997 |
76%
|
| 2000 |
76%
|
| 1999 |
76%
|
| 1998 |
76%
|
| 1996 |
76%
|
| 1989 |
72%
|
| 1991 |
75%
|
| 1992 |
75%
|
| 1989 |
59%
|
| 1998 |
56%
|
