2009 |
75%
|
1984 |
61%
|
1977 |
38%
|
1991 |
80%
|
1989 |
64%
|
2004 |
83%
|
1988 |
77%
|
1987 |
57%
|
1986 |
55%
|
2014 |
74%
|
2011 |
52%
|
1983 |
54%
|
1981 |
56%
|
1990 |
67%
|
1959 |
78%
|
2007 |
78%
|
2019 |
27%
|
1960 |
76%
|
1996 |
46%
|