| Value | Category | Cases | |
|---|---|---|---|
| 0 | 976 |
14.9%
|
|
| 1 | 1003 |
15.3%
|
|
| 2 | 317 |
4.8%
|
|
| 3 | 53 |
0.8%
|
|
| 4 | 11 |
0.2%
|
|
| 6 | 2 |
0%
|
|
| 8 | 2 |
0%
|
|
| Missing value | 4197 |
64%
|