| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 4 |
1.1%
|
| 2 | 2 | 11 |
3.1%
|
| 3 | 3 | 54 |
15.4%
|
| 4 | 4 | 2 |
0.6%
|
| 5 | 5 | 7 |
2%
|
| 6 | 6 | 2 |
0.6%
|
| Missing value | 270 |
77.1%
|