Value | Category | Cases | |
---|---|---|---|
1 | 1 yr or less | 461 |
32.3%
|
2 | between 1 and 2 yrs | 307 |
21.5%
|
3 | more than 2 yrs | 438 |
30.7%
|
4 | never | 180 |
12.6%
|
77 | don't know | 43 |
3%
|
Sysmiss | 934 |