| Value | Category | Cases | |
|---|---|---|---|
| 0 | 380 |
8.6%
|
|
| 1 | 478 |
10.8%
|
|
| 2 | 168 |
3.8%
|
|
| 3 | 26 |
0.6%
|
|
| 4 | 11 |
0.2%
|
|
| 6 | 2 |
0%
|
|
| Missing value | 3375 |
76%
|