| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 1 |
0.2%
|
| 2 | 2 | 53 |
8.3%
|
| 3 | 4 | 7 |
1.1%
|
| 4 | 5 | 130 |
20.3%
|
| 5 | 7 | 184 |
28.8%
|
| 6 | 8 | 64 |
10%
|
| 7 | 9 | 77 |
12%
|
| 8 | 96 | 80 |
12.5%
|
| Missing value | 44 |
6.9%
|