| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
2.6%
|
|
| 1 | 113 |
17.5%
|
|
| 2 | 34 |
5.3%
|
|
| 3 | 9 |
1.4%
|
|
| Missing value | 472 |
73.2%
|