1984 |
77%
|
1990 |
64%
|
1985 |
80%
|
1978 |
45%
|
1985 |
74%
|
1987 |
74%
|
1988 |
74%
|
1981 |
69%
|
1984 |
66%
|
1979 |
59%
|