| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 6 |
1.6%
|
| 2 | 2 | 45 |
12.4%
|
| 3 | 3 | 117 |
32.1%
|
| 4 | 4 | 160 |
44%
|
| 5 | 96 | 7 |
1.9%
|
| 6 | 99 | 29 |
8%
|
| Missing value | 16 |