2020 |
56%
|
2009 |
57%
|
2007 |
57%
|
2015 |
64%
|
2011 |
61%
|
2007 |
63%
|
2017 |
48%
|
2012 |
63%
|
2015 |
60%
|
2013 |
59%
|
2014 |
58%
|
2016 |
57%
|