| 1986 |
75%
|
| 1981 |
78%
|
| 1990 |
68%
|
| 1979 |
76%
|
| 1991 |
75%
|
| 1994 |
75%
|
| 1992 |
75%
|
| 1991 |
75%
|
| 1987 |
55%
|
