| 2001 |
78%
|
| 2005 |
75%
|
| 1998 |
46%
|
| 1991 |
79%
|
| 2007 |
78%
|
| 2008 |
78%
|
| 1993 |
67%
|
| 1997 |
52%
|
| 1975 |
79%
|
| 1994 |
75%
|
| 1992 |
75%
|
| 1976 |
75%
|
| 1976 |
74%
|
| 1968 |
81%
|
| 1987 |
70%
|
| 1985 |
77%
|
| 1986 |
77%
|
| 1973 |
59%
|
| 1986 |
77%
|
| 1983 |
56%
|
| 1955 |
62%
|
