| Value | Category | Cases | |
|---|---|---|---|
| 1 | Convenience in work | 23889 |
20.6%
|
| 2 | Studying, training | 860 |
0.7%
|
| 3 | housekeeping | 1105 |
1%
|
| 4 | Old, ill | 289 |
0.2%
|
| 5 | Others | 45 |
0%
|
| Sysmiss | 90014 |