| 1999 |
86%
|
| 1984 |
66%
|
| 1983 |
63%
|
| 1986 |
74%
|
| 1979 |
61%
|
| 1980 |
70%
|
| 1977 |
70%
|
| 1985 |
67%
|
| 1980 |
65%
|
| 1979 |
75%
|
| 1979 |
37%
|
