2003 |
76%
|
1998 |
77%
|
1997 |
73%
|
2011 |
68%
|
2003 |
66%
|
2007 |
66%
|
2021 |
67%
|
2005 |
79%
|
2006 |
61%
|
1987 |
46%
|