1997 |
68%
|
1998 |
68%
|
2000 |
68%
|
1999 |
68%
|
1997 |
69%
|
1999 |
68%
|
1998 |
68%
|
1997 |
63%
|
1996 |
63%
|
1998 |
63%
|
2004 |
66%
|