| Value | Category | Cases | |
|---|---|---|---|
| 0 | 83 |
49.4%
|
|
| 1 | 52 |
31%
|
|
| 2 | 30 |
17.9%
|
|
| 3 | 2 |
1.2%
|
|
| 4 | 1 |
0.6%
|
|
| Missing value | 34 |