| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
2.2%
|
|
| 1 | 371 |
38.9%
|
|
| 2 | 27 |
2.8%
|
|
| 3 | 19 |
2%
|
|
| 4 | 7 |
0.7%
|
|
| 5 | 3 |
0.3%
|
|
| Missing value | 505 |
53%
|