| Value | Category | Cases | |
|---|---|---|---|
| 0 | 641 |
33.7%
|
|
| 1 | 182 |
9.6%
|
|
| 2 | 297 |
15.6%
|
|
| 3 | 351 |
18.5%
|
|
| 4 | 167 |
8.8%
|
|
| 5 | 103 |
5.4%
|
|
| 6 | 42 |
2.2%
|
|
| 7 | 119 |
6.3%
|
|
| Missing value | 440 |