| Value | Category | Cases | |
|---|---|---|---|
| 1 | Convenience in work | 6014 |
20%
|
| 2 | Studying, training | 201 |
0.7%
|
| 3 | housekeeping | 276 |
0.9%
|
| 4 | Old, ill | 76 |
0.3%
|
| 5 | Others | 21 |
0.1%
|
| Sysmiss | 23465 |