| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 64 |
8.5%
|
| 1 | 1-10 | 494 |
65.3%
|
| 2 | 11-20 | 131 |
17.3%
|
| 3 | 21-30 | 31 |
4.1%
|
| 4 | More than 30 | 21 |
2.8%
|
| 99 | Refused to answer | 15 |
2%
|
| Sysmiss | 3495 |