| 1989 |
76%
|
| 1980 |
68%
|
| 1982 |
72%
|
| 1995 |
71%
|
| 1957 |
85%
|
| 2006 |
76%
|
| 1993 |
54%
|
| 1990 |
63%
|
| 2010 |
74%
|
| 1986 |
74%
|
| 1971 |
79%
|
| 1988 |
78%
|
| 1987 |
77%
|
