| Value | Category | Cases | |
|---|---|---|---|
| 0 | 47 |
2.2%
|
|
| 1 | 24 |
1.1%
|
|
| 2 | 48 |
2.2%
|
|
| 3 | 69 |
3.2%
|
|
| 4 | 105 |
4.9%
|
|
| 5 | 254 |
11.8%
|
|
| 6 | 419 |
19.5%
|
|
| 7 | 549 |
25.6%
|
|
| 8 | 630 |
29.4%
|
|
| Sysmiss | 92 |