1961 |
91%
|
1963 |
91%
|
1978 |
85%
|
1983 |
75%
|
2016 |
78%
|
1964 |
78%
|
1980 |
70%
|
1979 |
70%
|
1979 |
65%
|
1978 |
65%
|
1968 |
81%
|
1967 |
81%
|
1977 |
64%
|
1961 |
36%
|
1984 |
66%
|
1961 |
71%
|