| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 18 |
5.2%
|
| 2 | 1 | 5 |
1.4%
|
| 3 | 2 | 5 |
1.4%
|
| 4 | 3 | 2 |
0.6%
|
| 5 | 6 | 1 |
0.3%
|
| 6 | 8 | 2 |
0.6%
|
| 7 | 10 | 5 |
1.4%
|
| Missing value | 307 |
89%
|