1983 |
75%
|
1966 |
75%
|
1980 |
71%
|
1978 |
65%
|
1967 |
79%
|
1963 |
82%
|
1960 |
60%
|
1966 |
81%
|
1967 |
53%
|
1983 |
62%
|