| Value | Category | Cases | |
|---|---|---|---|
| 0 | 44 |
1.8%
|
|
| 1 | 35 |
1.5%
|
|
| 2 | 165 |
6.9%
|
|
| 3 | 609 |
25.4%
|
|
| 4 | 1544 |
64.4%
|
|
| Sysmiss | 2432 |