| Value | Category | Cases | |
|---|---|---|---|
| 0 | 38 |
18.4%
|
|
| 1 | 77 |
37.2%
|
|
| 2 | 60 |
29%
|
|
| 3 | 21 |
10.1%
|
|
| 4 | 8 |
3.9%
|
|
| 5 | 2 |
1%
|
|
| 6 | 1 |
0.5%
|
|
| Missing value | 29 |