| 1990 |
76%
|
| 1992 |
69%
|
| 1998 |
60%
|
| 1997 |
76%
|
| 1989 |
58%
|
| 1989 |
60%
|
| 1984 |
53%
|
| 1987 |
60%
|
| 2008 |
58%
|
| 2012 |
35%
|
| 2010 |
71%
|
