1980 |
70%
|
1979 |
70%
|
1981 |
70%
|
1981 |
71%
|
1984 |
67%
|
1984 |
67%
|
1981 |
54%
|
2010 |
74%
|
1987 |
74%
|
1985 |
74%
|
1977 |
62%
|
1978 |
62%
|