| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 68 |
3%
|
| 2 | 2 | 125 |
5.6%
|
| 3 | 3 | 221 |
9.9%
|
| 4 | 4 | 341 |
15.3%
|
| 5 | 5 | 367 |
16.4%
|
| 6 | 6 | 299 |
13.4%
|
| 7 | 7+ | 0 |
0%
|
| Missing value | 812 |
36.4%
|