| Value | Category | Cases | |
|---|---|---|---|
| 0 | 55 |
2.5%
|
|
| 1 | 121 |
5.6%
|
|
| 2 | 579 |
26.8%
|
|
| 3 | 292 |
13.5%
|
|
| 4 | 579 |
26.8%
|
|
| 5 | 471 |
21.8%
|
|
| 6 | 34 |
1.6%
|
|
| 7 | 31 |
1.4%
|
|
| Sysmiss | 1 |