| Value | Category | Cases | |
|---|---|---|---|
| 0 | 48 |
20.8%
|
|
| 1 | 21 |
9.1%
|
|
| 2 | 10 |
4.3%
|
|
| 3 | 8 |
3.5%
|
|
| Missing value | 144 |
62.3%
|