| Value | Category | Cases | |
|---|---|---|---|
| 0 | 70 |
28.7%
|
|
| 1 | 108 |
44.3%
|
|
| 2 | 51 |
20.9%
|
|
| 3 | 14 |
5.7%
|
|
| 4 | 1 |
0.4%
|
|
| Missing value | 192 |