| Value | Category | Cases | |
|---|---|---|---|
| 0 | 462 |
35.6%
|
|
| 1 | 184 |
14.2%
|
|
| 2 | 91 |
7%
|
|
| 3 | 33 |
2.5%
|
|
| 4 | 24 |
1.8%
|
|
| 5 | 13 |
1%
|
|
| 6 | 6 |
0.5%
|
|
| 7 | 6 |
0.5%
|
|
| Missing value | 480 |
37%
|