| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
1.6%
|
|
| 1 | 115 |
30.4%
|
|
| 2 | 167 |
44.2%
|
|
| 3 | 55 |
14.6%
|
|
| 4 | 25 |
6.6%
|
|
| 5 | 8 |
2.1%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| Missing value | 10 |