Value | Category | Cases | |
---|---|---|---|
1 | 1 yr or less | 167 |
25.8%
|
2 | between 1 and 2 yrs | 85 |
13.1%
|
3 | more than 2 yrs | 100 |
15.5%
|
4 | never | 282 |
43.6%
|
77 | don't know | 13 |
2%
|
Sysmiss | 455 |