1959 |
91%
|
1963 |
91%
|
1978 |
85%
|
1975 |
85%
|
1980 |
71%
|
1968 |
79%
|
1967 |
79%
|
1970 |
79%
|
1982 |
71%
|
1986 |
74%
|
1967 |
81%
|
1973 |
52%
|