| Web of Science Categories | Record Count | % of 338 |
| 2019 | 72 | 21,302 |
| 2020 | 70 | 20,710 |
| 2021 | 69 | 20,414 |
| 2017 | 52 | 15,385 |
| 2018 | 51 | 15,089 |
| 2022 | 24 | 7101 |