| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 22 |
20%
|
| 2 | 1 | 59 |
53.6%
|
| 3 | 2 | 16 |
14.5%
|
| 4 | 3 | 4 |
3.6%
|
| 5 | 4 | 2 |
1.8%
|
| Missing value | 7 |
6.4%
|