2000 |
73%
|
2003 |
74%
|
1999 |
74%
|
1985 |
78%
|
1997 |
58%
|
1988 |
58%
|
1993 |
64%
|
2009 |
45%
|
2002 |
75%
|
2002 |
75%
|
1995 |
43%
|
1997 |
57%
|
1990 |
51%
|
2011 |
76%
|