| Value | Category | Cases | |
|---|---|---|---|
| 1 | Normal | 262 |
58.2%
|
| 2 | Abnormal | 6 |
1.3%
|
| 3 | Repeat | 3 |
0.7%
|
| 98 | Don't know | 179 |
39.8%
|
| Sysmiss | 9309 |