| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 808 |
35.3%
|
| 1 | 2 | 1160 |
50.7%
|
| 2 | 3 | 267 |
11.7%
|
| 3 | 4 | 40 |
1.7%
|
| 4 | 5 | 15 |
0.7%
|
| Sysmiss | 10 |