| Value | Category | Cases | |
|---|---|---|---|
| 0 | 852 |
83.6%
|
|
| 1 | 151 |
14.8%
|
|
| 2 | 5 |
0.5%
|
|
| 999 | 11 |
1.1%
|
|
| Sysmiss | 576 |