1963 |
91%
|
1961 |
91%
|
1960 |
85%
|
1958 |
85%
|
1966 |
81%
|
1968 |
81%
|
1969 |
79%
|
1962 |
85%
|
1964 |
85%
|
1952 |
77%
|
1949 |
77%
|
1954 |
77%
|
1956 |
77%
|
1960 |
76%
|
1957 |
76%
|