| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1320 |
87.8%
|
|
| 1 | 97 |
6.5%
|
|
| 2 | 46 |
3.1%
|
|
| 3 | 12 |
0.8%
|
|
| 888 | 28 |
1.9%
|
|
| Sysmiss | 92 |