| 2011 |
80%
|
| 2000 |
86%
|
| 2003 |
77%
|
| 1994 |
71%
|
| 1995 |
71%
|
| 1989 |
54%
|
| 2000 |
67%
|
| 1994 |
67%
|
| 1980 |
75%
|
| 1979 |
65%
|
| 1978 |
70%
|
| 1988 |
56%
|
| 1977 |
62%
|
| 1978 |
49%
|
