| Value | Category | Cases | |
|---|---|---|---|
| 0 | 175 |
42%
|
|
| 1 | 85 |
20.4%
|
|
| 2 | 91 |
21.8%
|
|
| 3 | 41 |
9.8%
|
|
| 4 | 18 |
4.3%
|
|
| 5 | 5 |
1.2%
|
|
| 6 | 2 |
0.5%
|
|
| Missing value | 19 |