| Value | Category | Cases | |
|---|---|---|---|
| 0 | 38 |
1.6%
|
|
| 1 | 50 |
2.1%
|
|
| 2 | 121 |
5%
|
|
| 3 | 470 |
19.6%
|
|
| 4 | 1718 |
71.7%
|
|
| Sysmiss | 2432 |