| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 5 |
2.5%
|
| 2 | 2 | 2 |
1%
|
| 3 | 3 | 4 |
2%
|
| 4 | 5 | 1 |
0.5%
|
| 5 | 6 | 181 |
89.6%
|
| 6 | 7 | 5 |
2.5%
|
| 7 | 96 | 4 |
2%
|
| Missing value | 178 |