1988 |
68%
|
1985 |
75%
|
1964 |
80%
|
2007 |
80%
|
2016 |
78%
|
1965 |
78%
|
1978 |
75%
|
1979 |
71%
|
1978 |
70%
|
1972 |
62%
|
1978 |
75%
|