| Value | Category | Cases | |
|---|---|---|---|
| 0 | 215 |
9.6%
|
|
| 1 | 597 |
26.6%
|
|
| 2 | 891 |
39.7%
|
|
| 3 | 181 |
8.1%
|
|
| 4 | 235 |
10.5%
|
|
| 5 | 128 |
5.7%
|
|
| Sysmiss | 3 |