1960 |
79%
|
1963 |
82%
|
1981 |
71%
|
1985 |
71%
|
1982 |
71%
|
1966 |
81%
|
1965 |
81%
|
1959 |
76%
|
1958 |
76%
|
1956 |
76%
|
1957 |
76%
|
1973 |
65%
|