| 2008 |
75%
|
| 2007 |
66%
|
| 2002 |
45%
|
| 1975 |
69%
|
| 2008 |
40%
|
| 1963 |
82%
|
| 1985 |
78%
|
| 1959 |
78%
|
| 2007 |
78%
|
| 2006 |
65%
|
