| Value | Category | Cases | |
|---|---|---|---|
| 0 | 95 |
4%
|
|
| 1 | 54 |
2.3%
|
|
| 2 | 93 |
3.9%
|
|
| 3 | 617 |
25.7%
|
|
| 4 | 1538 |
64.2%
|
|
| Sysmiss | 2432 |