2000 |
56%
|
1993 |
56%
|
2006 |
50%
|
2008 |
52%
|
2015 |
42%
|
2005 |
21%
|
2003 |
36%
|
2001 |
44%
|
2007 |
50%
|
2006 |
80%
|