1994 |
86%
|
1983 |
75%
|
1984 |
75%
|
1978 |
70%
|
1979 |
71%
|
1984 |
71%
|
1981 |
71%
|
1984 |
71%
|
1974 |
70%
|
1966 |
72%
|
1960 |
76%
|
1959 |
76%
|
1958 |
76%
|
1957 |
76%
|
1980 |
53%
|