| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 25 |
10.4%
|
| 1 | none | 39 |
16.2%
|
| 2 | one | 12 |
5%
|
| 3 | 2-5 | 48 |
19.9%
|
| 4 | more than 5 | 117 |
48.5%
|