2008 |
40%
|
2012 |
39%
|
2011 |
37%
|
2012 |
35%
|
2013 |
35%
|
2017 |
38%
|
2011 |
37%
|
2014 |
49%
|
2011 |
37%
|
2013 |
38%
|
2018 |
36%
|
2019 |
28%
|