2004 |
82%
|
1998 |
84%
|
1996 |
84%
|
1997 |
84%
|
2014 |
82%
|
2016 |
78%
|
1989 |
66%
|
1990 |
61%
|
1990 |
65%
|
1999 |
69%
|