| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 201 |
20.1%
|
| 2 | About one month | 339 |
33.9%
|
| 3 | About two months | 183 |
18.3%
|
| 4 | More than two months | 273 |
27.3%
|
| 5 | Don't know | 2 |
0.2%
|
| 6 | Refused | 2 |
0.2%
|