| Value | Category | Cases | |
|---|---|---|---|
| 0 | 158 |
34.4%
|
|
| 1 | 90 |
19.6%
|
|
| 2 | 100 |
21.8%
|
|
| 3 | 72 |
15.7%
|
|
| 4 | 21 |
4.6%
|
|
| 5 | 13 |
2.8%
|
|
| 7 | 3 |
0.7%
|
|
| Missing value | 2 |
0.4%
|