| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 6 |
2.1%
|
| 2 | 2 | 7 |
2.5%
|
| 3 | 3 | 7 |
2.5%
|
| 4 | 4 | 4 |
1.4%
|
| 5 | 5 | 258 |
91.2%
|
| Missing value | 1 |
0.4%
|