| Value | Category | Cases | |
|---|---|---|---|
| 0 | 51 |
26%
|
|
| 1 | 11 |
5.6%
|
|
| 2 | 13 |
6.6%
|
|
| 3 | 7 |
3.6%
|
|
| 4 | 1 |
0.5%
|
|
| Missing value | 113 |
57.7%
|