| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| 1 | Less than 6 months | 87 |
6%
|
| 2 | Between 6 and 12 months | 139 |
9.6%
|
| 3 | More than 12 months | 1217 |
84.3%
|
| 11 | .D | 1 | |
| Sysmiss | 3395 |