1986 |
84%
|
1997 |
63%
|
2010 |
66%
|
2013 |
35%
|
2016 |
71%
|
1988 |
46%
|
2017 |
70%
|
2020 |
77%
|
2015 |
66%
|
2016 |
69%
|
2019 |
69%
|
2017 |
51%
|
2001 |
53%
|
2018 |
73%
|
2019 |
67%
|
1996 |
55%
|
2007 |
74%
|
2006 |
74%
|
2010 |
70%
|
2009 |
65%
|
2000 |
72%
|
2019 |
56%
|
1987 |
78%
|
2012 |
72%
|
2006 |
41%
|
2021 |
46%
|
2021 |
33%
|
2010 |
71%
|
1988 |
69%
|
2016 |
12%
|
2023 |
--
|