1993 |
79%
|
1983 |
75%
|
1962 |
77%
|
1994 |
67%
|
1966 |
75%
|
1977 |
70%
|
1984 |
71%
|
1981 |
66%
|
1979 |
66%
|
1977 |
41%
|
1987 |
41%
|