| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 14 |
6.3%
|
| 2 | 2 | 20 |
9%
|
| 3 | 3 | 2 |
0.9%
|
| 4 | 4 | 3 |
1.4%
|
| 5 | 5 | 12 |
5.4%
|
| 6 | 6 | 3 |
1.4%
|
| Missing value | 168 |
75.7%
|