2011 |
81%
|
2014 |
76%
|
2013 |
80%
|
2006 |
71%
|
2001 |
66%
|
2011 |
67%
|
2013 |
58%
|
2010 |
60%
|
2020 |
71%
|
2015 |
71%
|
2016 |
70%
|
2010 |
83%
|
1995 |
49%
|
2016 |
79%
|
2019 |
61%
|
2016 |
45%
|
2015 |
53%
|
2010 |
51%
|
2019 |
49%
|
2016 |
46%
|
2017 |
46%
|
2019 |
35%
|