1994 |
73%
|
1993 |
79%
|
1986 |
76%
|
1969 |
73%
|
2005 |
68%
|
1963 |
91%
|
1993 |
41%
|
1986 |
57%
|
1996 |
69%
|
1957 |
71%
|
2008 |
50%
|
2004 |
53%
|
2008 |
40%
|
2001 |
77%
|
2005 |
30%
|
1996 |
54%
|
2005 |
67%
|
2014 |
74%
|
2000 |
59%
|
1961 |
64%
|
2002 |
48%
|
2011 |
76%
|
1994 |
55%
|
1987 |
53%
|
1991 |
53%
|
2000 |
62%
|