| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 108 |
10.8%
|
| 2 | About one month | 265 |
26.5%
|
| 3 | About two months | 171 |
17.1%
|
| 4 | More than two months | 452 |
45.2%
|
| 5 | Don't know | 3 |
0.3%
|
| 6 | Refused | 1 |
0.1%
|