| Value | Category | Cases | |
|---|---|---|---|
| 0 | NA / NR | 160231 |
92.4%
|
| 1 | To supplement income | 7708 |
4.4%
|
| 2 | Not enough work | 2613 |
1.5%
|
| 3 | Both | 2232 |
1.3%
|
| 9 | Others | 550 |
0.3%
|