| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.3%
|
|
| 1 | 20 |
3.5%
|
|
| 2 | 12 |
2.1%
|
|
| 3 | 7 |
1.2%
|
|
| 5 | 1 |
0.2%
|
|
| Missing value | 531 |
92.7%
|