| 1992 |
71%
|
| 2001 |
77%
|
| 2002 |
72%
|
| 1985 |
70%
|
| 1990 |
66%
|
| 2006 |
45%
|
| 2016 |
61%
|
| 1985 |
44%
|
| 2008 |
46%
|
| 2009 |
48%
|
| 2018 |
43%
|
