| 1985 |
77%
|
| 1984 |
71%
|
| 1987 |
70%
|
| 1983 |
66%
|
| 1982 |
66%
|
| 1979 |
66%
|
| 2009 |
45%
|
| 1992 |
54%
|
| 1996 |
62%
|
