1968 |
75%
|
1984 |
67%
|
1980 |
65%
|
1972 |
79%
|
1981 |
71%
|
1983 |
71%
|
1972 |
79%
|
1985 |
66%
|
1979 |
66%
|
1995 |
53%
|
1961 |
71%
|