| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 32 |
14.3%
|
| 2 | 1 | 136 |
61%
|
| 3 | 2 | 28 |
12.6%
|
| 4 | 3 | 5 |
2.2%
|
| 5 | 4 | 1 |
0.4%
|
| 6 | 5 | 2 |
0.9%
|
| Missing value | 19 |
8.5%
|