| Value | Category | Cases | |
|---|---|---|---|
| 0 | 170 |
7.9%
|
|
| 1 | 240 |
11.2%
|
|
| 2 | 770 |
35.8%
|
|
| 3 | 342 |
15.9%
|
|
| 4 | 484 |
22.5%
|
|
| 5 | 145 |
6.7%
|
|
| Sysmiss | 12 |