1984 |
72%
|
1986 |
63%
|
2006 |
67%
|
1989 |
57%
|
1996 |
70%
|
2000 |
67%
|
1998 |
60%
|
1989 |
48%
|
1990 |
62%
|
1988 |
54%
|
2013 |
53%
|
2017 |
55%
|
1983 |
43%
|
2004 |
39%
|
1982 |
41%
|
1982 |
40%
|
1979 |
40%
|
2020 |
67%
|
2016 |
45%
|
2017 |
72%
|