| 1983 |
75%
|
| 1996 |
56%
|
| 1997 |
56%
|
| 1995 |
56%
|
| 1998 |
56%
|
| 1999 |
56%
|
| 2005 |
54%
|
| 2002 |
42%
|
| 2010 |
63%
|
| 1992 |
63%
|
