2002 |
62%
|
2009 |
64%
|
2004 |
65%
|
2008 |
70%
|
2003 |
67%
|
2010 |
60%
|
2006 |
62%
|
2007 |
56%
|
2013 |
63%
|
2004 |
56%
|
2009 |
61%
|
2005 |
50%
|
2011 |
55%
|
2006 |
44%
|
2016 |
55%
|
2014 |
50%
|
2005 |
45%
|
2020 |
62%
|
1997 |
53%
|
2000 |
56%
|
1992 |
56%
|