| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 11 |
3%
|
| 2 | 1 | 13 |
3.5%
|
| 3 | 2 | 20 |
5.4%
|
| 4 | 3 | 137 |
37.3%
|
| 5 | 4 | 4 |
1.1%
|
| 6 | 5 | 7 |
1.9%
|
| 7 | 6 | 175 |
47.7%
|
| Missing value | 13 |