2000 |
67%
|
1990 |
64%
|
2013 |
53%
|
2000 |
77%
|
2001 |
77%
|
1995 |
77%
|
1990 |
63%
|
2002 |
72%
|
2008 |
69%
|
1996 |
69%
|