1997 |
77%
|
2004 |
63%
|
1997 |
79%
|
1996 |
79%
|
1998 |
79%
|
1999 |
65%
|
1998 |
65%
|
1997 |
66%
|
2004 |
71%
|
2013 |
82%
|