| Value | Category | Cases | |
|---|---|---|---|
| 0 | 322 |
89.4%
|
|
| 1 | 9 |
2.5%
|
|
| 2 | 10 |
2.8%
|
|
| 3 | 19 |
5.3%
|
|
| Sysmiss | 1841 |