| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2829 |
61.3%
|
|
| 1 | 1172 |
25.4%
|
|
| 2 | 184 |
4%
|
|
| 3 | 235 |
5.1%
|
|
| 4 | 197 |
4.3%
|
|
| Sysmiss | 22 |