| Value | Category | Cases | |
|---|---|---|---|
| 0 | 504 |
3.7%
|
|
| 1 | 615 |
4.5%
|
|
| 2 | 1126 |
8.2%
|
|
| 3 | 2345 |
17%
|
|
| 4 | 3128 |
22.7%
|
|
| 5 | 3757 |
27.3%
|
|
| 6 | 2310 |
16.8%
|
|
| Sysmiss | 502 |