| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 12 |
3.5%
|
| 2 | 1 | 2 |
0.6%
|
| 3 | 2 | 3 |
0.9%
|
| 4 | 14 | 1 |
0.3%
|
| 5 | 15 | 1 |
0.3%
|
| 6 | 16 | 1 |
0.3%
|
| Missing value | 325 |
94.2%
|