1999 |
86%
|
1992 |
65%
|
1984 |
74%
|
1999 |
83%
|
1995 |
79%
|
2007 |
78%
|
2004 |
72%
|
1998 |
67%
|
1998 |
64%
|
2009 |
50%
|
1989 |
65%
|
1993 |
64%
|
1985 |
77%
|
1991 |
49%
|
1995 |
68%
|
1990 |
42%
|
1985 |
66%
|
1984 |
66%
|
1998 |
49%
|
1995 |
68%
|
1989 |
48%
|
1991 |
57%
|