1999 |
89%
|
1993 |
79%
|
2005 |
77%
|
2004 |
60%
|
1983 |
75%
|
1985 |
75%
|
1997 |
76%
|
2000 |
76%
|
1999 |
76%
|
1998 |
76%
|
1996 |
76%
|
1993 |
67%
|
1984 |
57%
|
1992 |
55%
|