| 1997 |
77%
|
| 2003 |
78%
|
| 2001 |
78%
|
| 1990 |
76%
|
| 1987 |
76%
|
| 1993 |
63%
|
| 1999 |
59%
|
| 1988 |
77%
|
| 1999 |
61%
|
| 1995 |
76%
|
| 1995 |
45%
|
| 1997 |
69%
|
| 1993 |
73%
|
| 1979 |
59%
|
| 2005 |
51%
|
| 1994 |
63%
|
| 1988 |
36%
|
| 2011 |
57%
|
