| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 350 |
30%
|
| 2 | 2 | 195 |
16.7%
|
| 3 | 3 | 449 |
38.5%
|
| 4 | 4 | 34 |
2.9%
|
| 5 | 5 | 60 |
5.2%
|
| 6 | 12 | 61 |
5.2%
|
| 7 | 15 | 3 |
0.3%
|
| Missing value | 13 |
1.1%
|