| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 11 |
0.3%
|
| 1 | True | 858 |
21.5%
|
| 2 | Not true | 3023 |
75.7%
|
| 3 | Don't know | 100 |
2.5%
|
| Sysmiss | 8 |