| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2273 |
47.3%
|
|
| 1 | 383 |
8%
|
|
| 2 | 311 |
6.5%
|
|
| 3 | 657 |
13.7%
|
|
| 4 | 1183 |
24.6%
|
|
| Sysmiss | 3768 |