Value | Category | Cases | |
---|---|---|---|
-2 | Refusal to answer | 0 |
0%
|
-1 | Don't know | 0 |
0%
|
1986 | 1 |
0.8%
|
|
1989 | 1 |
0.8%
|
|
1990 | 1 |
0.8%
|
|
1991 | 1 |
0.8%
|
|
1993 | 1 |
0.8%
|
|
1994 | 1 |
0.8%
|
|
1995 | 2 |
1.7%
|
|
1997 | 6 |
5%
|
|
1998 | 16 |
13.3%
|
|
1999 | 27 |
22.5%
|
|
2000 | 52 |
43.3%
|
|
2001 | 11 |
9.2%
|
|
Sysmiss | 15 |