| 2004 |
75%
|
| 2000 |
75%
|
| 2008 |
79%
|
| 1987 |
84%
|
| 2010 |
86%
|
| 2003 |
51%
|
| 1999 |
67%
|
| 1995 |
71%
|
| 1992 |
60%
|
| 1991 |
53%
|
| 1996 |
60%
|
| 1990 |
52%
|
| 1989 |
81%
|
