| 1991 |
49%
|
| 1988 |
60%
|
| 1989 |
42%
|
| 1992 |
51%
|
| 1997 |
75%
|
| 1992 |
64%
|
| 1984 |
74%
|
| 1990 |
52%
|
| 1985 |
66%
|
| 1986 |
48%
|
