| Value | Category | Cases | |
|---|---|---|---|
| 1 | 225 |
30.7%
|
|
| 2 | 215 |
29.3%
|
|
| 3 | 106 |
14.5%
|
|
| 4 | 41 |
5.6%
|
|
| 5 | 20 |
2.7%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 125 |
17.1%
|
|
| Missing value | 460 |