1993 |
63%
|
1972 |
79%
|
1976 |
79%
|
1973 |
79%
|
1975 |
79%
|
1974 |
79%
|
1972 |
79%
|
1974 |
74%
|
1979 |
78%
|
1996 |
62%
|