| Value | Category | Cases | |
|---|---|---|---|
| 0 | 596 |
52.6%
|
|
| 1 | 40 |
3.5%
|
|
| 2 | 113 |
10%
|
|
| 3 | 100 |
8.8%
|
|
| 4 | 62 |
5.5%
|
|
| 5 | 33 |
2.9%
|
|
| 6 | 12 |
1.1%
|
|
| 7 | 175 |
15.4%
|
|
| Missing value | 3 |
0.3%
|