1964 |
78%
|
1960 |
91%
|
1953 |
71%
|
1954 |
75%
|
1968 |
79%
|
1967 |
79%
|
1969 |
79%
|
1965 |
81%
|
1969 |
79%
|
1959 |
76%
|