2006 |
50%
|
1980 |
65%
|
1981 |
61%
|
1987 |
66%
|
1989 |
62%
|
1980 |
61%
|
1980 |
55%
|
2010 |
77%
|
1987 |
55%
|
2009 |
36%
|
2015 |
27%
|
2021 |
29%
|
2015 |
71%
|
2012 |
34%
|
2012 |
54%
|
2019 |
67%
|
2018 |
38%
|
2015 |
69%
|