| 1979 |
70%
|
| 1983 |
75%
|
| 1982 |
75%
|
| 1979 |
75%
|
| 1980 |
70%
|
| 1978 |
70%
|
| 1981 |
50%
|
| 1980 |
49%
|
| 1988 |
49%
|
| 2003 |
76%
|
