2001 |
72%
|
1985 |
76%
|
1997 |
67%
|
1989 |
74%
|
1994 |
67%
|
1999 |
81%
|
2001 |
84%
|
1996 |
56%
|
1994 |
56%
|
1999 |
70%
|
2010 |
74%
|
1985 |
74%
|
1999 |
77%
|
1997 |
68%
|
1995 |
33%
|
1989 |
62%
|
1997 |
69%
|
1997 |
63%
|
1996 |
63%
|
1998 |
63%
|
2003 |
62%
|