1957 |
76%
|
1968 |
79%
|
1971 |
79%
|
1969 |
79%
|
1970 |
79%
|
1968 |
81%
|
1965 |
81%
|
1967 |
81%
|
1959 |
78%
|
1959 |
78%
|
2007 |
78%
|