| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 215 |
21.3%
|
| 2 | About one month | 240 |
23.8%
|
| 3 | About two months | 165 |
16.4%
|
| 4 | More than two months | 224 |
22.2%
|
| 5 | Don't know | 164 |
16.3%
|
| 6 | Refused | 0 |
0%
|