1995 |
83%
|
2012 |
69%
|
2014 |
66%
|
2007 |
84%
|
1997 |
77%
|
1996 |
86%
|
1994 |
79%
|
1997 |
72%
|
2004 |
36%
|
2011 |
53%
|
2005 |
74%
|
2006 |
66%
|
2006 |
65%
|
1995 |
54%
|
2014 |
48%
|