| Value | Category | Cases | |
|---|---|---|---|
| 0 | 170 |
13%
|
|
| 1 | 115 |
8.8%
|
|
| 2 | 37 |
2.8%
|
|
| 3 | 4 |
0.3%
|
|
| 4 | 2 |
0.2%
|
|
| Missing value | 979 |
74.9%
|