| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 117 |
33.9%
|
| 2 | 2 | 23 |
6.7%
|
| 3 | 3 | 5 |
1.4%
|
| 4 | 4 | 12 |
3.5%
|
| 5 | 5 | 19 |
5.5%
|
| 6 | 6 | 13 |
3.8%
|
| Missing value | 156 |
45.2%
|