| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
3.4%
|
|
| 1 | 222 |
44.9%
|
|
| 2 | 186 |
37.7%
|
|
| 3 | 47 |
9.5%
|
|
| 4 | 17 |
3.4%
|
|
| 5 | 4 |
0.8%
|
|
| 7 | 1 |
0.2%
|
|
| Missing value | 128 |