| 1988 |
83%
|
| 1990 |
71%
|
| 2004 |
65%
|
| 2008 |
70%
|
| 2001 |
49%
|
| 1997 |
67%
|
| 2003 |
55%
|
| 2019 |
52%
|
| 1982 |
69%
|
| 1990 |
59%
|
| 2006 |
63%
|
| 2007 |
66%
|
