| Value | Category | Cases | |
|---|---|---|---|
| 0 | 715 |
44.2%
|
|
| 1 | 80 |
5%
|
|
| 2 | 52 |
3.2%
|
|
| 3 | 37 |
2.3%
|
|
| 4 | 23 |
1.4%
|
|
| 5 | 12 |
0.7%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 25 |
1.5%
|
|
| Missing value | 671 |
41.5%
|