1983 |
76%
|
1996 |
67%
|
1988 |
70%
|
1990 |
60%
|
1993 |
60%
|
1993 |
84%
|
2010 |
74%
|
1987 |
74%
|
2000 |
72%
|
2008 |
77%
|
1985 |
66%
|
1982 |
70%
|