1995 |
89%
|
1997 |
53%
|
1989 |
72%
|
1977 |
75%
|
1977 |
75%
|
1978 |
75%
|
1981 |
75%
|
1980 |
75%
|
1989 |
59%
|
1979 |
59%
|
1979 |
59%
|
1980 |
49%
|