| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 6 |
1.3%
|
| 2 | 2 | 3 |
0.7%
|
| 3 | 3 | 40 |
8.7%
|
| 4 | 4 | 85 |
18.6%
|
| 5 | 5 | 226 |
49.3%
|
| Missing value | 98 |
21.4%
|