| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 or 2 | 64 |
3.4%
|
| 1 | 3 or 4 | 505 |
26.4%
|
| 2 | 5 or 6 | 621 |
32.5%
|
| 3 | 7 to 9 | 552 |
28.9%
|
| 4 | 10 or more | 168 |
8.8%
|