| Value | Category | Cases | |
|---|---|---|---|
| 0 | 272 |
82.7%
|
|
| 1 | 8 |
2.4%
|
|
| 2 | 2 |
0.6%
|
|
| 4 | 1 |
0.3%
|
|
| Missing value | 46 |
14%
|