| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 541 |
13.5%
|
| 2 | About one month | 853 |
21.2%
|
| 3 | About two months | 707 |
17.6%
|
| 4 | More than two months | 1849 |
46%
|
| 5 | Don't know | 56 |
1.4%
|
| 6 | Refused | 14 |
0.3%
|