| Value | Category | Cases | |
|---|---|---|---|
| 1 | a. Not even one day | 1993 |
54.6%
|
| 2 | b. Less than one week | 1226 |
33.6%
|
| 3 | c. Up to one month | 350 |
9.6%
|
| 4 | d. Up to three months | 41 |
1.1%
|
| 5 | e. more than three months. | 39 |
1.1%
|