| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-3 | 33 |
4.5%
|
| 2 | 4-6 | 214 |
28.9%
|
| 3 | 7-9 | 280 |
37.8%
|
| 4 | 10+ | 181 |
24.5%
|
| Missing value | 32 |
4.3%
|