| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 206 |
20.6%
|
| 2 | About one month | 184 |
18.4%
|
| 3 | About two months | 90 |
9%
|
| 4 | More than two months | 209 |
20.9%
|
| 5 | Don't know | 249 |
24.9%
|
| 6 | Refused | 62 |
6.2%
|