1998 |
62%
|
1989 |
67%
|
1997 |
67%
|
1977 |
75%
|
1977 |
70%
|
1998 |
29%
|
1985 |
74%
|
1997 |
57%
|
1975 |
66%
|
1994 |
59%
|