| 1978 |
67%
|
| 1980 |
68%
|
| 2005 |
67%
|
| 2005 |
63%
|
| 1983 |
50%
|
| 2006 |
76%
|
| 1985 |
62%
|
| 2006 |
47%
|
| 2007 |
44%
|
| 2012 |
57%
|
| 2014 |
57%
|
