Value | Category | Cases | |
---|---|---|---|
1 | within past 2 yrs | 52 |
38.2%
|
2 | more than 2 yrs ago | 42 |
30.9%
|
3 | never | 34 |
25%
|
77 | don't know | 8 |
5.9%
|
Sysmiss | 993 |