| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2917 |
80.1%
|
|
| 1 | 251 |
6.9%
|
|
| 2 | 315 |
8.6%
|
|
| 3 | 149 |
4.1%
|
|
| 4 | 11 |
0.3%
|
|
| Sysmiss | 4 |