1996 |
89%
|
1998 |
79%
|
1999 |
80%
|
2009 |
74%
|
1999 |
65%
|
2000 |
65%
|
2000 |
80%
|
1999 |
69%
|
2007 |
78%
|
2000 |
76%
|