| 1991 |
60%
|
| 1994 |
47%
|
| 1993 |
46%
|
| 1993 |
42%
|
| 1999 |
21%
|
| 1999 |
28%
|
| 1986 |
44%
|
| 1982 |
54%
|
| 1982 |
53%
|
| 1983 |
43%
|
