| Value | Category | Cases | |
|---|---|---|---|
| 0 | 16 |
3.5%
|
|
| 1 | 90 |
19.6%
|
|
| 2 | 240 |
52.3%
|
|
| 3 | 52 |
11.3%
|
|
| 4 | 25 |
5.4%
|
|
| 5 | 17 |
3.7%
|
|
| 6 | 11 |
2.4%
|
|
| 7 | 4 |
0.9%
|
|
| 8 | 2 |
0.4%
|
|
| Missing value | 2 |
0.4%
|