| Value | Category | Cases | |
|---|---|---|---|
| 0 | 117 |
22%
|
|
| 1 | 189 |
35.6%
|
|
| 2 | 141 |
26.6%
|
|
| 3 | 62 |
11.7%
|
|
| 4 | 16 |
3%
|
|
| 5 | 3 |
0.6%
|
|
| 6 | 2 |
0.4%
|
|
| 7 | 1 |
0.2%
|
|
| Missing value | 28 |