1965 |
18%
|
1963 |
54%
|
1964 |
56%
|
2007 |
54%
|
1965 |
51%
|
1963 |
52%
|
1969 |
41%
|
2009 |
49%
|
2017 |
32%
|
1961 |
58%
|
1968 |
47%
|