| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 30 |
12.2%
|
| 2 | 1 | 1 |
0.4%
|
| 3 | 2 | 2 |
0.8%
|
| 4 | 3 | 1 |
0.4%
|
| 5 | 7 | 2 |
0.8%
|
| Missing value | 210 |
85.4%
|