| 2006 |
84%
|
| 2008 |
79%
|
| 1998 |
54%
|
| 1987 |
25%
|
| 1990 |
80%
|
| 1996 |
56%
|
| 1988 |
59%
|
| 1992 |
58%
|
| 1979 |
78%
|
| 1990 |
43%
|
| 1988 |
55%
|
| 1989 |
44%
|
