| Value | Category | Cases | |
|---|---|---|---|
| 1 | Corrected in office | 1172 |
10.9%
|
| 2 | Corrected during second round | 1104 |
10.2%
|
| 3 | Corrected during checkup visit | 209 |
1.9%
|
| 4 | Not corrected | 8293 |
76.9%
|
| Sysmiss | 37061 |