| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 16 |
2.8%
|
| 2 | 1 | 325 |
56.7%
|
| 3 | 2 | 77 |
13.4%
|
| 4 | 3 | 8 |
1.4%
|
| 5 | 4 | 6 |
1%
|
| 6 | 5 | 1 |
0.2%
|
| Missing value | 140 |
24.4%
|