1961 |
91%
|
1966 |
75%
|
1966 |
75%
|
1955 |
85%
|
1957 |
85%
|
1958 |
85%
|
1966 |
74%
|
1976 |
65%
|
1975 |
64%
|
1963 |
67%
|
1972 |
74%
|
1966 |
81%
|
1968 |
81%
|
1965 |
81%
|
1967 |
81%
|
1974 |
84%
|
1975 |
74%
|
1959 |
76%
|