| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.9%
|
|
| 1 | 104 |
22.4%
|
|
| 2 | 10 |
2.2%
|
|
| 3 | 2 |
0.4%
|
|
| 4 | 1 |
0.2%
|
|
| Missing value | 344 |
74%
|