| Value | Category | Cases | |
|---|---|---|---|
| 1 | Convenience in work | 5646 |
22.6%
|
| 2 | Studying, training | 213 |
0.9%
|
| 3 | housekeeping | 289 |
1.2%
|
| 4 | Old, Illness | 119 |
0.5%
|
| 5 | Others | 3 |
0%
|
| Sysmiss | 18685 |