| Value | Category | Cases | |
|---|---|---|---|
| 1 | 13 |
4.5%
|
|
| 2 | 16 |
5.6%
|
|
| 3 | 4 |
1.4%
|
|
| 4 | 2 |
0.7%
|
|
| 5 | 3 |
1%
|
|
| Missing value | 248 |
86.7%
|