Value | Category | Cases | |
---|---|---|---|
-2 | Refusal to answer | 6 |
2%
|
-1 | Don't know | 5 |
1.7%
|
0 | 2 |
0.7%
|
|
1970 | 1 |
0.3%
|
|
1980 | 1 |
0.3%
|
|
1986 | 1 |
0.3%
|
|
1989 | 1 |
0.3%
|
|
1990 | 2 |
0.7%
|
|
1991 | 2 |
0.7%
|
|
1992 | 1 |
0.3%
|
|
1993 | 3 |
1%
|
|
1994 | 1 |
0.3%
|
|
1995 | 2 |
0.7%
|
|
1996 | 4 |
1.4%
|
|
1997 | 10 |
3.4%
|
|
1998 | 21 |
7.1%
|
|
1999 | 30 |
10.2%
|
|
2000 | 156 |
52.9%
|
|
2001 | 46 |
15.6%
|
|
Sysmiss | 2338 |