| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
2.5%
|
|
| 1 | 14 |
1.5%
|
|
| 2 | 84 |
9.1%
|
|
| 3 | 77 |
8.3%
|
|
| 4 | 33 |
3.6%
|
|
| 5 | 90 |
9.7%
|
|
| 6 | 124 |
13.4%
|
|
| 7 | 479 |
51.8%
|
|
| Sysmiss | 977 |