| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
2.3%
|
|
| 1 | 225 |
40.3%
|
|
| 2 | 104 |
18.6%
|
|
| 3 | 12 |
2.1%
|
|
| 4 | 1 |
0.2%
|
|
| Missing value | 204 |
36.5%
|