1987 |
70%
|
1978 |
73%
|
1992 |
49%
|
1986 |
74%
|
1985 |
54%
|
1987 |
62%
|
1985 |
74%
|
1969 |
79%
|
1980 |
62%
|
2008 |
58%
|
1984 |
47%
|
1983 |
56%
|
1979 |
42%
|
1973 |
63%
|