| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
17.8%
|
|
| 1 | 75 |
70.1%
|
|
| 2 | 12 |
11.2%
|
|
| 3 | 1 |
0.9%
|
|
| Missing value | 22 |