| Value | Category | Cases | |
|---|---|---|---|
| 0 | 240 |
34.3%
|
|
| 1 | 332 |
47.4%
|
|
| 2 | 109 |
15.6%
|
|
| 3 | 19 |
2.7%
|
|
| Missing value | 172 |