| 1996 |
70%
|
| 2001 |
51%
|
| 1985 |
52%
|
| 2005 |
55%
|
| 1986 |
75%
|
| 1992 |
53%
|
| 1973 |
68%
|
| 2010 |
86%
|
| 1985 |
44%
|
| 1994 |
68%
|
| 1985 |
77%
|
| 2001 |
58%
|
| 1995 |
51%
|
| 1987 |
41%
|
| 1984 |
47%
|
