| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than one month | 236 |
95.2%
|
| 2 | More than one month and less than 3 months | 8 |
3.2%
|
| 3 | 3 months to less than 6 months | 0 |
0%
|
| 4 | 6 months to 12 months | 2 |
0.8%
|
| 5 | More than one year | 0 |
0%
|
| 98 | Don’t know | 2 |
0.8%
|
| Sysmiss | 2 |