| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than two weeks | 115 |
11.5%
|
| 2 | About one month | 210 |
21%
|
| 3 | About two months | 180 |
18%
|
| 4 | More than two months | 481 |
48.1%
|
| 5 | Don't know | 14 |
1.4%
|
| 6 | Refused | 1 |
0.1%
|