| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 231 |
23.1%
|
| 2 | About one month | 235 |
23.5%
|
| 3 | About two months | 167 |
16.7%
|
| 4 | More than two months | 337 |
33.7%
|
| 5 | Don't know | 30 |
3%
|
| 6 | Refused | 0 |
0%
|