Value | Category | Cases | |
---|---|---|---|
-2 | Refusal to answer | 0 |
0%
|
-1 | Don't know | 1 |
1%
|
1974 | 1 |
1%
|
|
1981 | 1 |
1%
|
|
1982 | 2 |
2.1%
|
|
1983 | 3 |
3.1%
|
|
1985 | 2 |
2.1%
|
|
1986 | 1 |
1%
|
|
1988 | 1 |
1%
|
|
1989 | 2 |
2.1%
|
|
1990 | 2 |
2.1%
|
|
1992 | 2 |
2.1%
|
|
1993 | 1 |
1%
|
|
1995 | 3 |
3.1%
|
|
1996 | 13 |
13.4%
|
|
1997 | 6 |
6.2%
|
|
1998 | 17 |
17.5%
|
|
1999 | 17 |
17.5%
|
|
2000 | 20 |
20.6%
|
|
2001 | 2 |
2.1%
|
|
Sysmiss | 7752 |