| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 723 |
76.1%
|
| 2 | 2 | 50 |
5.3%
|
| 3 | 3 | 30 |
3.2%
|
| 4 | 4 | 1 |
0.1%
|
| Missing value | 146 |
15.4%
|