| 1998 |
89%
|
| 1996 |
70%
|
| 2009 |
76%
|
| 1998 |
86%
|
| 2004 |
72%
|
| 2000 |
79%
|
| 2005 |
55%
|
| 1996 |
67%
|
| 1992 |
53%
|
| 1987 |
46%
|
| 1993 |
42%
|
| 1994 |
36%
|
