1991 |
73%
|
1989 |
73%
|
1990 |
73%
|
1991 |
73%
|
1988 |
77%
|
1986 |
50%
|
1989 |
60%
|
1994 |
75%
|
1993 |
75%
|
1988 |
56%
|