1987 |
62%
|
1987 |
76%
|
1982 |
75%
|
1972 |
57%
|
1968 |
81%
|
1990 |
81%
|
1989 |
81%
|
1988 |
81%
|
1987 |
81%
|
1963 |
85%
|
1983 |
72%
|
1982 |
72%
|
1973 |
56%
|
1988 |
78%
|
1995 |
41%
|
1974 |
55%
|
1996 |
31%
|