| Value | Category | Cases | |
|---|---|---|---|
| 0 | 51 |
22.1%
|
|
| 1 | 23 |
10%
|
|
| 2 | 5 |
2.2%
|
|
| 3 | 8 |
3.5%
|
|
| Missing value | 144 |
62.3%
|