2006 |
86%
|
2017 |
69%
|
2009 |
75%
|
1997 |
71%
|
2019 |
57%
|
1991 |
45%
|
2015 |
83%
|
1990 |
57%
|
1997 |
50%
|
2004 |
57%
|
1995 |
51%
|
1994 |
44%
|
1995 |
74%
|