1985 |
78%
|
2019 |
62%
|
1986 |
66%
|
1981 |
69%
|
2001 |
59%
|
1980 |
65%
|
1990 |
67%
|
1981 |
62%
|
2003 |
63%
|
2013 |
54%
|
1995 |
59%
|
2005 |
71%
|
1963 |
67%
|
1993 |
58%
|
1971 |
79%
|
2005 |
62%
|
1970 |
54%
|
2023 |
54%
|
1991 |
62%
|
1987 |
51%
|
1965 |
56%
|
1988 |
48%
|
1997 |
42%
|
1968 |
55%
|
1979 |
52%
|
2017 |
47%
|
2007 |
46%
|
1994 |
42%
|
2010 |
62%
|
1993 |
50%
|
2008 |
36%
|
2014 |
47%
|
1992 |
40%
|
2020 |
40%
|
2008 |
48%
|
1989 |
41%
|
2006 |
39%
|
2008 |
43%
|
2000 |
38%
|
2010 |
35%
|
2009 |
62%
|
1999 |
62%
|
2003 |
53%
|
2001 |
52%
|
2022 |
40%
|