| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 185 |
18.5%
|
| 2 | About one month | 327 |
32.6%
|
| 3 | About two months | 215 |
21.5%
|
| 4 | More than two months | 237 |
23.7%
|
| 5 | Don't know | 36 |
3.6%
|
| 6 | Refused | 2 |
0.2%
|