| Value | Category | Cases | |
|---|---|---|---|
| 0 | 155 |
6.5%
|
|
| 1 | 35 |
1.5%
|
|
| 2 | 44 |
1.8%
|
|
| 3 | 602 |
25.1%
|
|
| 4 | 1561 |
65.1%
|
|
| Sysmiss | 2432 |