| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 130 |
13%
|
| 2 | About one month | 273 |
27.2%
|
| 3 | About two months | 132 |
13.2%
|
| 4 | More than two months | 320 |
31.9%
|
| 5 | Don't know | 87 |
8.7%
|
| 6 | Refused | 61 |
6.1%
|