| Value | Category | Cases | |
|---|---|---|---|
| 0 | 388 |
5.8%
|
|
| 1 | 3382 |
50.7%
|
|
| 2 | 629 |
9.4%
|
|
| 3 | 227 |
3.4%
|
|
| 4 | 66 |
1%
|
|
| 5 | 16 |
0.2%
|
|
| 6 | 3 |
0%
|
|
| 7 | 1 |
0%
|
|
| 8 | 1 |
0%
|
|
| Missing value | 1954 |
29.3%
|