| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 7 |
1.9%
|
| 2 | 1 | 229 |
60.6%
|
| 3 | 2 | 55 |
14.6%
|
| 4 | 3 | 21 |
5.6%
|
| 5 | 4 | 62 |
16.4%
|
| 6 | 98 | 4 |
1.1%
|
| Missing value | 2 |