| Value | Category | Cases | |
|---|---|---|---|
| 0 | 340 |
94.4%
|
|
| 1 | 11 |
3.1%
|
|
| 2 | 6 |
1.7%
|
|
| 3 | 3 |
0.8%
|
|
| Sysmiss | 1841 |