| 1983 |
82%
|
| 2002 |
67%
|
| 2007 |
60%
|
| 1985 |
67%
|
| 1999 |
49%
|
| 1987 |
65%
|
| 2009 |
79%
|
| 1997 |
55%
|
| 2004 |
77%
|
| 1986 |
75%
|
| 2006 |
57%
|
| 1993 |
79%
|
| 1989 |
44%
|
| 1990 |
57%
|
| 1993 |
56%
|
| 1980 |
75%
|
| 2002 |
72%
|
| 2005 |
45%
|
| 1983 |
57%
|
| 2001 |
74%
|
| 2000 |
74%
|
| 1985 |
77%
|
| 2002 |
48%
|
| 1991 |
42%
|
| 1990 |
63%
|
