| 1984 |
79%
|
| 1990 |
61%
|
| 1994 |
67%
|
| 1995 |
46%
|
| 1999 |
36%
|
| 2010 |
86%
|
| 2006 |
67%
|
| 1998 |
42%
|
| 2000 |
57%
|
| 1995 |
57%
|
| 2001 |
58%
|
| 2004 |
47%
|
