| Value | Category | Cases | |
|---|---|---|---|
| 0 | 214 |
26.4%
|
|
| 1 | 443 |
54.7%
|
|
| 2 | 119 |
14.7%
|
|
| 3 | 24 |
3%
|
|
| 4 | 7 |
0.9%
|
|
| 5 | 2 |
0.2%
|
|
| 7 | 1 |
0.1%
|
|
| Missing value | 19 |