| 2000 |
43%
|
| 2013 |
53%
|
| 2011 |
55%
|
| 2010 |
50%
|
| 2009 |
64%
|
| 2014 |
57%
|
| 2012 |
59%
|
| 2015 |
48%
|
| 2017 |
57%
|
| 2016 |
54%
|
