| 2007 |
79%
|
| 2014 |
69%
|
| 2008 |
71%
|
| 1988 |
64%
|
| 1992 |
72%
|
| 2003 |
56%
|
| 2004 |
47%
|
| 1986 |
63%
|
| 1974 |
44%
|
