2013 |
85%
|
1956 |
85%
|
1954 |
85%
|
1953 |
85%
|
1955 |
85%
|
1951 |
85%
|
1952 |
85%
|
1981 |
75%
|
1968 |
79%
|
1967 |
79%
|
1971 |
79%
|
1969 |
79%
|
1966 |
79%
|
1970 |
79%
|
1972 |
79%
|
1962 |
72%
|
1966 |
72%
|
1965 |
72%
|
1963 |
72%
|
1967 |
72%
|
1964 |
72%
|
1968 |
69%
|
1973 |
69%
|
1972 |
69%
|
1971 |
69%
|
1970 |
69%
|
1969 |
69%
|
2011 |
76%
|
1957 |
83%
|
1959 |
83%
|
1958 |
83%
|
1986 |
57%
|
1977 |
69%
|
1975 |
73%
|
1966 |
75%
|