1992 |
90%
|
1994 |
90%
|
1993 |
90%
|
1995 |
90%
|
1999 |
81%
|
2000 |
81%
|
1999 |
81%
|
2000 |
77%
|
1997 |
84%
|
1998 |
84%
|
1998 |
77%
|
1997 |
77%
|
1999 |
77%
|
2001 |
62%
|