1995 |
79%
|
1997 |
79%
|
1996 |
79%
|
1998 |
79%
|
1999 |
80%
|
2006 |
58%
|
2007 |
58%
|
2009 |
74%
|
1999 |
65%
|
1998 |
65%
|
2007 |
75%
|
1990 |
65%
|
1999 |
62%
|
2006 |
--
|