Value | Category | Cases | |
---|---|---|---|
1 | 1 yr or less | 545 |
33.4%
|
2 | between 1 and 2 yrs | 261 |
16%
|
3 | more than 2 yrs | 363 |
22.2%
|
4 | never | 439 |
26.9%
|
77 | don't know | 26 |
1.6%
|
Sysmiss | 1102 |