2014 |
74%
|
1997 |
83%
|
1998 |
82%
|
1999 |
82%
|
2000 |
87%
|
2003 |
87%
|
2002 |
87%
|
2016 |
59%
|
2008 |
76%
|
2008 |
76%
|
2017 |
52%
|
2002 |
49%
|
2002 |
72%
|