2003 |
80%
|
2004 |
77%
|
2008 |
55%
|
2009 |
61%
|
2007 |
24%
|
1998 |
72%
|
1975 |
62%
|
2011 |
87%
|
2008 |
50%
|
1983 |
63%
|
1984 |
67%
|
1982 |
55%
|
1985 |
71%
|
1983 |
71%
|
1984 |
71%
|
1986 |
74%
|
2004 |
63%
|
1971 |
79%
|
1963 |
85%
|
1964 |
85%
|
1998 |
39%
|
1992 |
54%
|
1992 |
41%
|
2011 |
76%
|
1984 |
42%
|
2010 |
31%
|
2008 |
35%
|
2010 |
73%
|
2009 |
32%
|
1982 |
38%
|
1989 |
21%
|
2008 |
71%
|
2006 |
35%
|
2005 |
61%
|
1993 |
84%
|
1991 |
65%
|
1982 |
54%
|