| Value | Category | Cases | |
|---|---|---|---|
| 0 | 504 |
78.6%
|
|
| 1 | 37 |
5.8%
|
|
| 2 | 58 |
9%
|
|
| 3 | 24 |
3.7%
|
|
| 4 | 9 |
1.4%
|
|
| 5 | 6 |
0.9%
|
|
| 7 | 2 |
0.3%
|
|
| Missing value | 1 |
0.2%
|