| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1915 |
9.5%
|
| 2 | Yes-studying | 1 |
0%
|
| 3 | Yes-housekeeping | 9 |
0%
|
| 4 | Yes-old, ill | 0 |
0%
|
| 5 | Yes-Others | 190 |
0.9%
|
| Sysmiss | 17998 |