| 1973 |
85%
|
| 2016 |
78%
|
| 1964 |
78%
|
| 1977 |
70%
|
| 1985 |
74%
|
| 1974 |
84%
|
| 1965 |
72%
|
| 1952 |
77%
|
| 1949 |
77%
|
| 1950 |
77%
|
| 1975 |
74%
|
| 2007 |
78%
|
| 1960 |
78%
|
| 1983 |
56%
|
| 1955 |
62%
|
