| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 28 |
11.4%
|
| 2 | 2 | 1 |
0.4%
|
| 3 | 4 | 2 |
0.8%
|
| 4 | 5 | 1 |
0.4%
|
| 5 | 7 | 3 |
1.2%
|
| Missing value | 211 |
85.8%
|