| Value | Category | Cases | |
|---|---|---|---|
| 1 | Convenience in work | 5722 |
22.1%
|
| 2 | Studying, training | 239 |
0.9%
|
| 3 | housekeeping | 299 |
1.2%
|
| 4 | Old, Illness | 132 |
0.5%
|
| 5 | Others | 2 |
0%
|
| Sysmiss | 19492 |