| Year | Volume | Number |
|---|---|---|
| 2024 | 36 | 32 articles |
| 2023 | 35 | 35 articles |
| 2022 | 34 | 31 articles |
| 2021 | 33 | 36 articles |
| 2020 | 32 | 44 articles |
| 2019 | 31 | 44 articles |
| 2018 | 30 | 40 articles |
| 2017 | 29 | 40 articles |
| 2016 | 28 | 29 articles |
| 2015 | 27 | 1 2 3 4 |
| 2014 | 26 | 1 2 3 4 |
| 2013 | 25 | 1 2 3 4 |
| 2012 | 24 | 1 2 3 4 |
| 2011 | 23 | 1 2 3 4 |
| 2010 | 22 | 2 3 4 |
