| 1989 |
76%
|
| 1998 |
54%
|
| 1982 |
85%
|
| 1977 |
85%
|
| 2001 |
79%
|
| 1993 |
79%
|
| 1995 |
67%
|
| 1996 |
67%
|
| 1998 |
57%
|
| 1980 |
75%
|
| 1994 |
73%
|
| 1995 |
73%
|
| 1994 |
73%
|
| 1985 |
77%
|
| 1987 |
76%
|
| 1996 |
55%
|
| 1981 |
56%
|
| 1997 |
69%
|
| 1993 |
39%
|
| 1991 |
83%
|
| 1992 |
83%
|
| 1984 |
37%
|
| 1980 |
66%
|
| 1994 |
79%
|
| 1982 |
67%
|
| 1993 |
64%
|
| 1990 |
65%
|
| 1979 |
54%
|
| 1996 |
70%
|
| 2010 |
41%
|
