| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 180 |
16.2%
|
| 2 | 2 | 331 |
29.7%
|
| 3 | 3 | 51 |
4.6%
|
| 4 | 4 | 26 |
2.3%
|
| 5 | 5 | 7 |
0.6%
|
| 6 | 7 | 2 |
0.2%
|
| Missing value | 517 |
46.4%
|