| Value | Category | Cases | |
|---|---|---|---|
| 0 | 358 |
12.4%
|
|
| 1 | 678 |
23.5%
|
|
| 2 | 673 |
23.3%
|
|
| 3 | 463 |
16%
|
|
| 4 | 158 |
5.5%
|
|
| 5 | 106 |
3.7%
|
|
| 6 | 48 |
1.7%
|
|
| 7 | 407 |
14.1%
|
|
| Sysmiss | 139 |