| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 254 |
21.2%
|
| 1 | 1-10 | 799 |
66.7%
|
| 2 | 11-20 | 108 |
9%
|
| 3 | 21-30 | 18 |
1.5%
|
| 4 | More than 30 | 10 |
0.8%
|
| 99 | Refused to answer | 9 |
0.8%
|
| Sysmiss | 3053 |