2009 |
79%
|
2010 |
82%
|
2011 |
77%
|
2012 |
81%
|
2013 |
81%
|
2018 |
81%
|
2014 |
81%
|
2017 |
81%
|
2015 |
81%
|
2016 |
81%
|
2019 |
81%
|
2021 |
81%
|
1996 |
74%
|
2006 |
73%
|
1987 |
80%
|
2017 |
68%
|
2016 |
68%
|
2018 |
68%
|
2015 |
68%
|
2019 |
68%
|
2020 |
68%
|
2023 |
68%
|
2021 |
68%
|
2008 |
64%
|
2005 |
68%
|
2010 |
66%
|
1985 |
76%
|
2019 |
60%
|
2007 |
55%
|
1989 |
54%
|
2005 |
44%
|
1986 |
70%
|
2023 |
76%
|
2020 |
45%
|
2021 |
45%
|
2023 |
72%
|
1993 |
60%
|
1989 |
61%
|
2019 |
70%
|
2023 |
70%
|
2021 |
70%
|
2021 |
70%
|
2022 |
59%
|
2011 |
76%
|
2012 |
76%
|
2013 |
76%
|
2004 |
56%
|
2019 |
80%
|
2006 |
67%
|
2009 |
62%
|
2013 |
85%
|
2021 |
81%
|
2020 |
81%
|
2018 |
81%
|
2006 |
74%
|
2021 |
94%
|
2020 |
79%
|
2008 |
40%
|
2006 |
35%
|
2015 |
73%
|
2009 |
76%
|
2020 |
66%
|
2020 |
61%
|
2015 |
74%
|
2005 |
50%
|