| Value | Category | Cases | |
|---|---|---|---|
| 1 | Convenience in work | 5566 |
19%
|
| 2 | Studying, training | 175 |
0.6%
|
| 3 | housekeeping | 293 |
1%
|
| 4 | Old, ill | 118 |
0.4%
|
| 5 | Others | 66 |
0.2%
|
| Sysmiss | 23080 |