| Value | Category | Cases | |
|---|---|---|---|
| 1 | Agriculture | 28 |
3.1%
|
| 2 | Don't know | 4 |
0.4%
|
| 3 | Non-agriculture | 275 |
30.5%
|
| 4 | Refused | 3 |
0.3%
|
| Missing value | 593 |
65.7%
|