| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 1080 |
25.4%
|
| 1 | 1-10 | 1870 |
44%
|
| 2 | 11-20 | 708 |
16.7%
|
| 3 | 21-30 | 264 |
6.2%
|
| 4 | More than 30 | 300 |
7.1%
|
| 99 | Refused to answer | 28 |
0.7%
|
| Sysmiss | 1 |