| Value | Category | Cases | |
|---|---|---|---|
| 0 | 827 |
22.2%
|
|
| 1 | 594 |
15.9%
|
|
| 2 | 2149 |
57.7%
|
|
| 3 | 156 |
4.2%
|
|
| 999 | 1 |
0%
|
|
| Sysmiss | 1102 |