1971 |
65%
|
1972 |
79%
|
1983 |
71%
|
1968 |
81%
|
1967 |
81%
|
1971 |
79%
|
1979 |
37%
|
2011 |
76%
|
1975 |
70%
|
1978 |
75%
|