1983 |
83%
|
2015 |
78%
|
2011 |
81%
|
1999 |
65%
|
2001 |
76%
|
2002 |
74%
|
2004 |
79%
|
2005 |
71%
|
2016 |
78%
|
2017 |
69%
|
2007 |
73%
|
2010 |
77%
|
2009 |
76%
|
2019 |
64%
|
2018 |
69%
|
2008 |
65%
|
2005 |
63%
|
1986 |
75%
|
1988 |
72%
|
2019 |
66%
|
2017 |
81%
|
2022 |
57%
|
1993 |
54%
|
1984 |
53%
|
1994 |
50%
|
1985 |
54%
|
1995 |
51%
|
1997 |
42%
|
2000 |
42%
|
2003 |
41%
|
1989 |
70%
|
1990 |
71%
|
2004 |
40%
|
2001 |
58%
|