1960 |
83%
|
2016 |
81%
|
2017 |
81%
|
2015 |
81%
|
2013 |
81%
|
2014 |
81%
|
1998 |
42%
|
1983 |
66%
|
1959 |
85%
|
1960 |
85%
|
1961 |
85%
|
1986 |
55%
|
1990 |
54%
|
1972 |
65%
|
1971 |
65%
|
1983 |
74%
|
2010 |
74%
|
1986 |
74%
|
1987 |
74%
|
1971 |
79%
|
1963 |
85%
|
1962 |
85%
|
1964 |
85%
|
1985 |
77%
|
1962 |
58%
|
1961 |
71%
|