| Value | Category | Cases | |
|---|---|---|---|
| 0 | 304 |
32.5%
|
|
| 1 | 148 |
15.8%
|
|
| 2 | 229 |
24.5%
|
|
| 3 | 255 |
27.2%
|
|
| Sysmiss | 2066 |