Value | Category | Cases | |
---|---|---|---|
1 | within past 2 yrs | 172 |
55.1%
|
2 | more than 2 yrs ago | 29 |
9.3%
|
3 | never | 107 |
34.3%
|
77 | don't know | 4 |
1.3%
|
Sysmiss | 2652 |