1995 |
83%
|
1997 |
89%
|
1998 |
73%
|
2008 |
85%
|
1995 |
62%
|
1996 |
67%
|
2011 |
56%
|
1997 |
64%
|
1993 |
67%
|
2009 |
72%
|
2005 |
63%
|
2015 |
40%
|
2005 |
58%
|
2011 |
72%
|