2004 |
73%
|
1987 |
78%
|
1981 |
78%
|
1990 |
64%
|
1979 |
76%
|
1994 |
67%
|
2010 |
85%
|
1973 |
54%
|
1975 |
62%
|
1992 |
53%
|
1977 |
64%
|
2015 |
55%
|
1990 |
54%
|
1994 |
46%
|
2018 |
62%
|
1997 |
44%
|
2008 |
51%
|
2010 |
71%
|
2020 |
81%
|
2018 |
81%
|
2015 |
72%
|
2019 |
50%
|
2000 |
72%
|
2010 |
73%
|
2020 |
71%
|
2012 |
44%
|
2011 |
75%
|
2012 |
73%
|
2015 |
74%
|
2021 |
76%
|
1993 |
66%
|
1986 |
67%
|
1984 |
74%
|