1972 |
77%
|
1972 |
72%
|
1973 |
75%
|
1974 |
73%
|
1965 |
52%
|
1966 |
50%
|
1973 |
70%
|
1971 |
36%
|
1968 |
45%
|
1975 |
68%
|
1974 |
66%
|