| Value | Category | Cases | |
|---|---|---|---|
| 0 | 25 |
3.7%
|
|
| 1 | 443 |
65.1%
|
|
| 2 | 27 |
4%
|
|
| 3 | 2 |
0.3%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 1 |
0.1%
|
|
| Missing value | 182 |
26.7%
|