| 1997 |
69%
|
| 1994 |
79%
|
| 2008 |
78%
|
| 2005 |
73%
|
| 1991 |
67%
|
| 1993 |
59%
|
| 1997 |
52%
|
| 1979 |
71%
|
| 1984 |
71%
|
| 1991 |
46%
|
| 1992 |
51%
|
| 1983 |
71%
|
| 1978 |
28%
|
| 2003 |
44%
|
| 1985 |
66%
|
| 1985 |
67%
|
| 1981 |
67%
|
| 1980 |
67%
|
