| 1983 |
75%
|
| 1985 |
75%
|
| 1996 |
74%
|
| 1978 |
75%
|
| 1977 |
70%
|
| 1979 |
70%
|
| 1978 |
70%
|
| 1999 |
77%
|
| 1997 |
61%
|
| 1986 |
74%
|
| 1999 |
62%
|
| 2001 |
62%
|
| 2000 |
62%
|
| 2005 |
43%
|
| 1980 |
53%
|
