| Value | Category | Cases | |
|---|---|---|---|
| 0 | 26 |
0.5%
|
|
| 1 | 631 |
11.4%
|
|
| 2 | 896 |
16.1%
|
|
| 3 | 1695 |
30.5%
|
|
| 4 | 2311 |
41.6%
|
|
| Sysmiss | 1776 |