| Fields of science | Representation percentage in the survey | |
| 2015 survey | 2018 survey | |
| Medical sciences | 0 | 16.8 |
| Natural sciences | 37.93 | 11.6 |
| Engineering technology | 37.93 | 33.6 |
| Social sciences | 15.52 | 12 |
| Agriculture | 1.72 | 8.7 |
| Humanities | 6.9 | 17.2 |