| Value | Category | Cases | |
|---|---|---|---|
| 0 | 506 |
25.5%
|
|
| 1 | 1125 |
56.8%
|
|
| 2 | 277 |
14%
|
|
| 3 | 66 |
3.3%
|
|
| 4 | 8 |
0.4%
|
|
| Sysmiss | 18 |