| Value | Category | Cases | |
|---|---|---|---|
| 0 | 504 |
40.2%
|
|
| 1 | 20 |
1.6%
|
|
| 2 | 30 |
2.4%
|
|
| 3 | 39 |
3.1%
|
|
| 4 | 21 |
1.7%
|
|
| 5 | 249 |
19.9%
|
|
| 6 | 210 |
16.8%
|
|
| 7 | 180 |
14.4%
|
|
| Sysmiss | 2 |