| Value | Category | Cases | |
|---|---|---|---|
| 1 | Convenience in work | 5358 |
21.6%
|
| 2 | Studying, training | 171 |
0.7%
|
| 3 | housekeeping | 214 |
0.9%
|
| 4 | Old, Illness | 100 |
0.4%
|
| 5 | Others | 0 |
0%
|
| Sysmiss | 18964 |