| Value | Category | Cases | |
|---|---|---|---|
| 0 | 423 |
19.7%
|
|
| 1 | 450 |
21%
|
|
| 2 | 832 |
38.8%
|
|
| 3 | 305 |
14.2%
|
|
| 4 | 136 |
6.3%
|
|
| Sysmiss | 17 |