| 1993 |
77%
|
| 2012 |
64%
|
| 1998 |
71%
|
| 2010 |
85%
|
| 2001 |
59%
|
| 2006 |
51%
|
| 1996 |
69%
|
| 1986 |
72%
|
| 2000 |
45%
|
| 1998 |
71%
|
| 1996 |
67%
|
| 2015 |
78%
|
| 2000 |
77%
|
| 2009 |
36%
|
| 1994 |
84%
|
| 1986 |
78%
|
| 1997 |
68%
|
