1995 |
83%
|
2001 |
81%
|
2010 |
83%
|
2004 |
80%
|
1999 |
79%
|
1987 |
77%
|
2019 |
77%
|
1995 |
69%
|
2003 |
52%
|
1997 |
59%
|
1994 |
71%
|
2018 |
61%
|
2009 |
77%
|
2008 |
77%
|
2013 |
75%
|
2021 |
54%
|
2014 |
71%
|
2012 |
70%
|
2013 |
70%
|
2011 |
70%
|
1996 |
55%
|
2000 |
62%
|
1983 |
54%
|
1996 |
57%
|
2006 |
63%
|
2001 |
61%
|