| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 89 |
17.5%
|
| 2 | About one month | 144 |
28.3%
|
| 3 | About two months | 87 |
17.1%
|
| 4 | More than two months | 138 |
27.1%
|
| 5 | Don't know | 47 |
9.2%
|
| 6 | Refused | 4 |
0.8%
|