| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 184 |
18.4%
|
| 2 | About one month | 234 |
23.4%
|
| 3 | About two months | 174 |
17.4%
|
| 4 | More than two months | 354 |
35.4%
|
| 5 | Don't know | 52 |
5.2%
|
| 6 | Refused | 2 |
0.2%
|