| 2000 |
76%
|
| 1977 |
84%
|
| 1982 |
65%
|
| 1982 |
71%
|
| 1981 |
63%
|
| 1996 |
55%
|
| 1977 |
58%
|
| 1978 |
62%
|
| 1979 |
52%
|
| 1984 |
56%
|
| 1998 |
65%
|
| 1987 |
51%
|
