| Value | Category | Cases | |
|---|---|---|---|
| 1 | One month or less | 20 |
20.4%
|
| 2 | More than 1 month and up to 3 months | 43 |
43.9%
|
| 3 | More than 3 months | 35 |
35.7%
|
| Sysmiss | 52101 |