| 2005 |
71%
|
| 2010 |
77%
|
| 1999 |
72%
|
| 1987 |
77%
|
| 2004 |
72%
|
| 2006 |
72%
|
| 2015 |
78%
|
| 2000 |
51%
|
| 1988 |
79%
|
| 1999 |
63%
|
| 1985 |
39%
|
