| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
9.1%
|
|
| 1 | 102 |
40.2%
|
|
| 2 | 46 |
18.1%
|
|
| 3 | 49 |
19.3%
|
|
| 4 | 24 |
9.4%
|
|
| 5 | 8 |
3.1%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 1 |
0.4%
|
|
| Missing value | 3 |