| Value | Category | Cases | |
|---|---|---|---|
| 0 | 235 |
6.5%
|
|
| 1 | 282 |
7.8%
|
|
| 2 | 621 |
17.3%
|
|
| 3 | 2459 |
68.4%
|
|
| Sysmiss | 1228 |