| Value | Category | Cases | |
|---|---|---|---|
| 1 | 290 |
21.5%
|
|
| 2 | 287 |
21.3%
|
|
| 3 | 203 |
15%
|
|
| 4 | 74 |
5.5%
|
|
| 5 | 40 |
3%
|
|
| 6 | 11 |
0.8%
|
|
| 7 | 138 |
10.2%
|
|
| Missing value | 306 |
22.7%
|