| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-6months | 222 |
14.6%
|
| 2 | 7-12months | 131 |
8.6%
|
| 3 | More than 12months | 744 |
49.1%
|
| 4 | Dont know | 419 |
27.6%
|
| -999999999 | missing | 19 | |
| Sysmiss | 6939 |