| 1991 |
55%
|
| 2011 |
68%
|
| 2012 |
40%
|
| 2012 |
50%
|
| 2012 |
25%
|
| 2009 |
40%
|
| 2006 |
45%
|
| 2009 |
36%
|
| 2020 |
26%
|
| 2010 |
34%
|
| 2012 |
50%
|
