1978 |
82%
|
1977 |
73%
|
1985 |
63%
|
1982 |
66%
|
1987 |
71%
|
2007 |
54%
|
2005 |
61%
|
2004 |
48%
|
2012 |
36%
|
2006 |
58%
|
1983 |
46%
|
1983 |
52%
|
1984 |
57%
|
1986 |
48%
|
1988 |
54%
|
1993 |
53%
|
1986 |
56%
|
2016 |
40%
|
1988 |
46%
|
1989 |
53%
|
2015 |
27%
|
1989 |
49%
|
2010 |
38%
|
2022 |
63%
|
2019 |
67%
|