| Value | Category | Cases | |
|---|---|---|---|
| 0 | 138 |
17.1%
|
|
| 1 | 35 |
4.3%
|
|
| 2 | 26 |
3.2%
|
|
| 3 | 218 |
27%
|
|
| 4 | 389 |
48.3%
|
|
| Sysmiss | 889 |