2012 |
77%
|
1999 |
85%
|
1979 |
86%
|
1998 |
73%
|
1964 |
79%
|
1981 |
72%
|
2006 |
65%
|
1992 |
73%
|
1983 |
67%
|
2017 |
85%
|
2006 |
68%
|
1978 |
69%
|
1984 |
69%
|
1980 |
62%
|
1959 |
85%
|
2009 |
72%
|
1967 |
81%
|
1980 |
66%
|
1996 |
41%
|
1968 |
46%
|