| 1997 |
69%
|
| 1982 |
71%
|
| 1981 |
85%
|
| 1991 |
75%
|
| 1984 |
71%
|
| 1984 |
67%
|
| 1983 |
75%
|
| 1990 |
71%
|
| 1975 |
60%
|
