| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
0.4%
|
|
| 1 | 153 |
7.9%
|
|
| 2 | 387 |
19.9%
|
|
| 3 | 577 |
29.7%
|
|
| 4 | 642 |
33%
|
|
| 5 | 123 |
6.3%
|
|
| 6 | 46 |
2.4%
|
|
| 7 | 6 |
0.3%
|
|
| 8 | 3 |
0.2%
|
|
| Sysmiss | 232 |