| Value | Category | Cases | |
|---|---|---|---|
| -9 | Not in universe | 9 |
0.9%
|
| 0 | 277 |
26.9%
|
|
| 1 | 274 |
26.7%
|
|
| 2 | 220 |
21.4%
|
|
| 3 | 166 |
16.1%
|
|
| 4 | 55 |
5.4%
|
|
| 5 | 25 |
2.4%
|
|
| 7 | 2 |
0.2%
|