1998 |
86%
|
1997 |
86%
|
1996 |
86%
|
2004 |
75%
|
2001 |
53%
|
2000 |
77%
|
1998 |
77%
|
2010 |
57%
|
2001 |
74%
|
2007 |
44%
|
2013 |
51%
|