| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33 |
1.5%
|
|
| 1 | 57 |
2.6%
|
|
| 2 | 246 |
11.4%
|
|
| 3 | 180 |
8.3%
|
|
| 4 | 454 |
21.1%
|
|
| 5 | 421 |
19.5%
|
|
| 6 | 28 |
1.3%
|
|
| 7 | 737 |
34.2%
|
|
| Sysmiss | 7 |