| Value | Category | Cases | |
|---|---|---|---|
| 0 | 113 |
5.1%
|
|
| 1 | 315 |
14.2%
|
|
| 2 | 774 |
34.8%
|
|
| 3 | 285 |
12.8%
|
|
| 4 | 498 |
22.4%
|
|
| 5 | 240 |
10.8%
|
|
| Sysmiss | 4 |