| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 169 |
16.9%
|
| 2 | About one month | 170 |
17%
|
| 3 | About two months | 191 |
19.1%
|
| 4 | More than two months | 352 |
35.2%
|
| 5 | Don't know | 109 |
10.9%
|
| 6 | Refused | 10 |
1%
|