1985 |
57%
|
2000 |
77%
|
1988 |
77%
|
1986 |
46%
|
1982 |
55%
|
1988 |
78%
|
1987 |
78%
|
1987 |
43%
|
2006 |
60%
|
1987 |
49%
|
1998 |
69%
|