| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 20 |
0.4%
|
| 2 | 2 | 304 |
5.8%
|
| 3 | 3 | 475 |
9.1%
|
| 4 | 4 | 586 |
11.2%
|
| 5 | 5 | 723 |
13.8%
|
| 6 | 6 | 677 |
13%
|
| 7 | 7 | 507 |
9.7%
|
| 8 | 8 | 356 |
6.8%
|
| 9 | 9+ | 744 |
14.2%
|
| Missing value | 832 |
15.9%
|