| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 821 |
73.4%
|
| 2 | 1 | 144 |
12.9%
|
| 3 | 2 | 24 |
2.1%
|
| 4 | 3 | 4 |
0.4%
|
| Missing value | 126 |
11.3%
|