1961 |
91%
|
1963 |
91%
|
1959 |
91%
|
1982 |
61%
|
1968 |
79%
|
1965 |
81%
|
1974 |
84%
|
1977 |
64%
|
1952 |
60%
|
1953 |
62%
|
1980 |
53%
|
1952 |
56%
|