| Value | Category | Cases | |
|---|---|---|---|
| 0 | 49 |
2.2%
|
|
| 1 | 272 |
12.4%
|
|
| 2 | 591 |
26.9%
|
|
| 3 | 567 |
25.8%
|
|
| 4 | 384 |
17.5%
|
|
| 5 | 191 |
8.7%
|
|
| 6 | 74 |
3.4%
|
|
| 7 | 71 |
3.2%
|
|
| Sysmiss | 1 |