| Value | Category | Cases | |
|---|---|---|---|
| 1 | Convenience in work | 5743 |
20%
|
| 2 | Studying, training | 310 |
1.1%
|
| 3 | housekeeping | 371 |
1.3%
|
| 4 | Old, ill | 87 |
0.3%
|
| 5 | Others | 8 |
0%
|
| Sysmiss | 22207 |