1990 |
58%
|
1986 |
74%
|
1986 |
67%
|
1988 |
66%
|
1979 |
70%
|
1984 |
67%
|
1984 |
75%
|
1981 |
75%
|
1985 |
66%
|
1979 |
66%
|
1986 |
52%
|