| Value | Category | Cases | |
|---|---|---|---|
| 0 | 291 |
2%
|
|
| 1 | 508 |
3.6%
|
|
| 2 | 968 |
6.8%
|
|
| 3 | 1609 |
11.3%
|
|
| 4 | 2317 |
16.2%
|
|
| 5 | 3067 |
21.5%
|
|
| 6 | 2693 |
18.9%
|
|
| 7 | 2817 |
19.7%
|
|
| Sysmiss | 17 |