1980 |
70%
|
1979 |
70%
|
1978 |
70%
|
1971 |
79%
|
1969 |
79%
|
1970 |
79%
|
1972 |
79%
|
1975 |
70%
|
1982 |
66%
|
1981 |
66%
|
1980 |
66%
|
1979 |
66%
|