| Value | Category | Cases | |
|---|---|---|---|
| 0 | 560 |
89.2%
|
|
| 1 | 24 |
3.8%
|
|
| 2 | 13 |
2.1%
|
|
| 3 | 31 |
4.9%
|
|
| Sysmiss | 2319 |