| Value | Category | Cases | |
|---|---|---|---|
| 1 | One month or less | 92 |
62.2%
|
| 2 | More than 1 month up to 3 months | 44 |
29.7%
|
| 3 | More than 3 months | 2 |
1.4%
|
| 4 | Do not know | 10 |
6.8%
|
| Sysmiss | 102414 |