1995 |
64%
|
1986 |
61%
|
1990 |
64%
|
1994 |
45%
|
1997 |
64%
|
2000 |
66%
|
1984 |
67%
|
1989 |
61%
|
1989 |
63%
|
1985 |
77%
|
1980 |
66%
|