| Value | Category | Cases | |
|---|---|---|---|
| 1 | Normal schedule | 305 |
2.4%
|
| 2 | Overwork due to good economic conditions | 59 |
0.5%
|
| 3 | Overwork to survive | 419 |
3.3%
|
| 4 | Other (specify) | 16 |
0.1%
|
| Missing value | 11984 |
93.7%
|