| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 991 |
23.3%
|
| 1 | 1-10 | 2031 |
47.8%
|
| 2 | 11-20 | 686 |
16.1%
|
| 3 | 21-30 | 225 |
5.3%
|
| 4 | More than 30 | 291 |
6.8%
|
| 99 | Refused to answer | 26 |
0.6%
|
| Sysmiss | 1 |