| Value | Category | Cases | |
|---|---|---|---|
| 0 | 239 |
68.9%
|
|
| 1 | 3 |
0.9%
|
|
| 2 | 18 |
5.2%
|
|
| 3 | 21 |
6.1%
|
|
| 4 | 33 |
9.5%
|
|
| 5 | 19 |
5.5%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 13 |
3.7%
|
|
| Missing value | 2 |