| Value | Category | Cases | |
|---|---|---|---|
| 0 | 211 |
16.2%
|
|
| 1 | 219 |
16.9%
|
|
| 2 | 178 |
13.7%
|
|
| 3 | 78 |
6%
|
|
| 4 | 25 |
1.9%
|
|
| 5 | 23 |
1.8%
|
|
| 6 | 15 |
1.2%
|
|
| 7 | 70 |
5.4%
|
|
| Missing value | 480 |
37%
|