Value | Category | Cases | |
---|---|---|---|
1 | within past yr | 32 |
26.4%
|
2 | more than 1 yr ago | 25 |
20.7%
|
3 | never | 56 |
46.3%
|
77 | don't know | 8 |
6.6%
|
Sysmiss | 981 |