1978 |
82%
|
1985 |
77%
|
1985 |
76%
|
1983 |
68%
|
1985 |
77%
|
1972 |
57%
|
2010 |
74%
|
1985 |
74%
|
1968 |
81%
|
1973 |
56%
|
1974 |
64%
|
1976 |
60%
|
1980 |
24%
|
1972 |
55%
|
1979 |
56%
|
1986 |
61%
|