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| group | percentage |
|---|---|
| 1 | 50 |
| 2 | 67 |
| 3 | 0 |
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '2,'Germany ',2, 1 3,'France ',2, 0 4,'China ',1, 1 5,'Japan ',3, 0 6,'Italy' at line 1