| Value | Category | Cases | |
|---|---|---|---|
| 1 | Normal | 296 |
60.7%
|
| 2 | Abnormal | 6 |
1.2%
|
| 3 | Repeat | 3 |
0.6%
|
| 98 | Don't know | 183 |
37.5%
|
| Sysmiss | 11337 |