| 1997 |
53%
|
| 1995 |
56%
|
| 1983 |
71%
|
| 1985 |
67%
|
| 1982 |
71%
|
| 1983 |
71%
|
| 1986 |
78%
|
| 1988 |
78%
|
| 1987 |
78%
|
| 1996 |
41%
|
| 1978 |
75%
|
