| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
20.6%
|
|
| 1 | 168 |
65.4%
|
|
| 2 | 29 |
11.3%
|
|
| 3 | 3 |
1.2%
|
|
| 4 | 4 |
1.6%
|
|
| Missing value | 11 |