2009 |
73%
|
1998 |
86%
|
1994 |
86%
|
1995 |
86%
|
2016 |
78%
|
1993 |
76%
|
1989 |
72%
|
1993 |
64%
|
2016 |
60%
|
2007 |
68%
|
2018 |
72%
|
2017 |
72%
|
1992 |
80%
|
1985 |
68%
|
1992 |
63%
|
2007 |
62%
|
1980 |
55%
|
2008 |
59%
|