1961 |
91%
|
1960 |
91%
|
1963 |
91%
|
1974 |
85%
|
1966 |
65%
|
1966 |
75%
|
1967 |
75%
|
1966 |
75%
|
1969 |
74%
|
1962 |
72%
|
1963 |
72%
|
1959 |
78%
|
1970 |
69%
|