2011 |
77%
|
2008 |
75%
|
1990 |
58%
|
2020 |
71%
|
2007 |
60%
|
1982 |
60%
|
1986 |
78%
|
1985 |
78%
|
1993 |
55%
|
2019 |
55%
|