| Value | Category | Cases | |
|---|---|---|---|
| 0 | 259 |
69.8%
|
|
| 1 | 14 |
3.8%
|
|
| 2 | 10 |
2.7%
|
|
| 3 | 6 |
1.6%
|
|
| 4 | 4 |
1.1%
|
|
| 5 | 6 |
1.6%
|
|
| 6 | 19 |
5.1%
|
|
| 7 | 53 |
14.3%
|
|
| Missing value | 11 |