| 1997 |
86%
|
| 1993 |
86%
|
| 1996 |
86%
|
| 1983 |
75%
|
| 1995 |
67%
|
| 1971 |
65%
|
| 1977 |
70%
|
| 1986 |
78%
|
| 1987 |
78%
|
| 1983 |
66%
|
| 1975 |
58%
|
