1997 |
77%
|
1995 |
77%
|
1996 |
77%
|
1999 |
80%
|
1997 |
69%
|
2000 |
65%
|
1997 |
66%
|
2012 |
79%
|
1997 |
64%
|
1997 |
56%
|