1999 |
85%
|
2005 |
82%
|
2008 |
76%
|
2005 |
61%
|
2011 |
55%
|
2003 |
46%
|
2001 |
57%
|
1995 |
79%
|
2002 |
55%
|
1995 |
72%
|
1998 |
62%
|
2005 |
79%
|
2009 |
37%
|
2013 |
72%
|
2001 |
77%
|
2000 |
77%
|
1998 |
58%
|
2000 |
72%
|
2003 |
69%
|
1996 |
68%
|
2011 |
30%
|
2000 |
72%
|
2012 |
79%
|
2003 |
46%
|