| Value | Category | Cases | |
|---|---|---|---|
| 0 | 72 |
3.3%
|
|
| 1 | 266 |
12.3%
|
|
| 2 | 471 |
21.8%
|
|
| 3 | 863 |
39.9%
|
|
| 4 | 315 |
14.6%
|
|
| 5 | 175 |
8.1%
|
|
| Sysmiss | 1 |