| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 3 |
1.4%
|
| 2 | 3 | 1 |
0.5%
|
| 3 | 4 | 1 |
0.5%
|
| 4 | 6 | 22 |
9.9%
|
| 5 | 7 | 5 |
2.3%
|
| Missing value | 190 |
85.6%
|