2008 |
76%
|
1994 |
55%
|
1985 |
70%
|
1974 |
69%
|
2002 |
58%
|
1995 |
60%
|
1979 |
75%
|
1993 |
64%
|
1992 |
68%
|
1987 |
78%
|
1985 |
45%
|
2017 |
53%
|
2020 |
43%
|
2021 |
51%
|