2001 |
81%
|
1994 |
90%
|
2000 |
76%
|
1999 |
76%
|
1999 |
81%
|
1997 |
84%
|
2004 |
74%
|
2005 |
74%
|
1999 |
77%
|
2005 |
55%
|
2002 |
64%
|
1997 |
69%
|
1996 |
58%
|
1997 |
59%
|
1986 |
61%
|