| Value | Category | Cases | |
|---|---|---|---|
| -97 | Don't know | 4 |
1.4%
|
| 1 | 10-15 days | 16 |
5.8%
|
| 2 | 15-20 days | 37 |
13.4%
|
| 3 | 20-25 days | 93 |
33.6%
|
| 4 | After 30 days | 127 |
45.8%
|
| a | Not applicable | 0 | |
| b | Don't know | 0 | |
| c | Refused to respond | 0 |