| Value | Category | Cases | |
|---|---|---|---|
| 0 | 395 |
30.4%
|
|
| 1 | 203 |
15.6%
|
|
| 2 | 123 |
9.5%
|
|
| 3 | 46 |
3.5%
|
|
| 4 | 22 |
1.7%
|
|
| 5 | 17 |
1.3%
|
|
| 6 | 4 |
0.3%
|
|
| 7 | 9 |
0.7%
|
|
| Missing value | 480 |
37%
|