| Value | Category | Cases | |
|---|---|---|---|
| 0 | 461 |
20.7%
|
|
| 1 | 197 |
8.9%
|
|
| 2 | 332 |
14.9%
|
|
| 3 | 291 |
13.1%
|
|
| 4 | 943 |
42.4%
|
|
| Sysmiss | 5 |