2007 |
45%
|
2006 |
31%
|
2007 |
37%
|
2012 |
45%
|
2006 |
36%
|
2008 |
41%
|
2009 |
42%
|
2007 |
39%
|
2009 |
37%
|
2017 |
77%
|
2007 |
24%
|
2009 |
40%
|
2010 |
37%
|
1996 |
25%
|
1993 |
31%
|
1994 |
32%
|
1995 |
29%
|
2012 |
45%
|
1997 |
26%
|
1992 |
34%
|