| Value | Category | Cases | |
|---|---|---|---|
| 0 | 220 |
8.4%
|
|
| 1 | 618 |
23.5%
|
|
| 2 | 839 |
31.9%
|
|
| 3 | 522 |
19.8%
|
|
| 4 | 261 |
9.9%
|
|
| 5 | 88 |
3.3%
|
|
| 6 | 36 |
1.4%
|
|
| 7 | 49 |
1.9%
|
|
| Sysmiss | 5 |