| Value | Category | Cases | |
|---|---|---|---|
| 0 | 223 |
12.7%
|
|
| 1 | 400 |
22.8%
|
|
| 2 | 434 |
24.7%
|
|
| 3 | 701 |
39.9%
|
|
| Sysmiss | 272 |