| Value | Category | Cases | |
|---|---|---|---|
| 1 | One month or less | 126 |
70%
|
| 2 | More than 1 month up to 3 months | 40 |
22.2%
|
| 3 | More than 3 months | 8 |
4.4%
|
| 4 | Do not know | 6 |
3.3%
|
| Sysmiss | 100672 |