| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. less than a week in total | 1323 |
91%
|
| 2 | 2. about a week in total | 76 |
5.2%
|
| 3 | 3. about 2 weeks in total | 25 |
1.7%
|
| 4 | 4. about 3 weeks in total | 14 |
1%
|
| 5 | 5. more than a month | 16 |
1.1%
|
| Sysmiss | 109 |