2002 |
54%
|
1997 |
78%
|
2000 |
58%
|
1998 |
68%
|
2007 |
65%
|
2000 |
--
|
2002 |
--
|
2008 |
--
|
2008 |
--
|
2007 |
--
|
2008 |
--
|
2000 |
--
|