| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Checked,no mistake | 67 |
21.8%
|
| 2 | 2. Checked and corrected | 226 |
73.4%
|
| 3 | 3. Not checked,__ | 6 |
1.9%
|
| 9 | 9. Missing | 9 |
2.9%
|