| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 2 |
0.7%
|
| -888 | -888 | 7 |
2.4%
|
| -777 | Not Applicable | 21 |
7.2%
|
| 0 | No | 44 |
15.2%
|
| 1 | Yes | 216 |
74.5%
|
| Sysmiss | 622 |