1976 |
65%
|
1975 |
65%
|
1974 |
65%
|
1977 |
68%
|
1982 |
69%
|
1979 |
69%
|
1972 |
57%
|
1970 |
72%
|
1970 |
66%
|
1969 |
66%
|
1968 |
73%
|
1974 |
65%
|
1975 |
65%
|