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| Academic field | Percentage |
|---|---|
| Mathematics | 8.3 |
| Chemistry | 12.1 |
| Chemical engineering | 10.5 |
| Physics | 6.6 |
| Mechanical engineering | 6.7 |
| Electrical engineering | 6.5 |
| Civil engineering | 9.8 |
| Computer science | 10.6 |
| Astronomy | 12.6 |
