1969 |
74%
|
1966 |
74%
|
1964 |
74%
|
1965 |
74%
|
1977 |
65%
|
1968 |
81%
|
1974 |
84%
|
1978 |
51%
|
1970 |
45%
|
1962 |
76%
|
1975 |
60%
|
1982 |
66%
|
1979 |
22%
|
1978 |
53%
|
2011 |
76%
|
1981 |
42%
|
1979 |
54%
|
2001 |
73%
|
1982 |
61%
|
1974 |
65%
|
1975 |
65%
|
2018 |
47%
|