| 1992 |
81%
|
| 1994 |
55%
|
| 1981 |
66%
|
| 1976 |
59%
|
| 1988 |
58%
|
| 1977 |
64%
|
| 1987 |
62%
|
| 1967 |
66%
|
| 1971 |
35%
|
| 2004 |
40%
|
| 1993 |
48%
|
| 1995 |
40%
|
| 1995 |
44%
|
| 1982 |
44%
|
| 1991 |
40%
|
| 1988 |
61%
|
| 1987 |
39%
|
| 2005 |
61%
|
| 2001 |
71%
|
| 2005 |
52%
|
| 1988 |
47%
|
| 2008 |
35%
|
| 1996 |
31%
|
| 1986 |
65%
|
| 1999 |
73%
|
| 1983 |
43%
|
| 2006 |
62%
|
| 2006 |
81%
|
| 1990 |
37%
|
