1988 |
57%
|
1995 |
40%
|
1987 |
39%
|
1989 |
40%
|
1990 |
35%
|
1990 |
43%
|
1989 |
34%
|
1990 |
44%
|
2005 |
53%
|
2005 |
44%
|
1991 |
38%
|
1991 |
47%
|
2004 |
29%
|
1989 |
49%
|
2011 |
67%
|
2002 |
40%
|
2004 |
43%
|
1997 |
38%
|
2003 |
38%
|
1989 |
30%
|
1995 |
38%
|
2004 |
43%
|
2005 |
41%
|
1995 |
40%
|
1998 |
38%
|
1996 |
38%
|
1989 |
44%
|
2005 |
42%
|
2004 |
37%
|
2003 |
38%
|
2022 |
53%
|
1990 |
37%
|