| Year | Volume | Number |
|---|---|---|
| 2024 | 28 | 10 articles |
| 2023 | 27 | 36 articles |
| 2022 | 26 | 31 articles |
| 2021 | 25 | 48 articles |
| 2020 | 24 | 53 articles |
| 2019 | 23 | 41 articles |
| 2018 | 22 | 1 2 3 special issue |
| 2017 | 21 | 1 2 3 |
| 2016 | 20 | 1 2 3 |
| 2015 | 19 | 1 2 3 |
| 2014 | 18 | 1 2 3 |
| 2013 | 17 | 1 2 |
| 2012 | 16 | 1 2 |
| 2011 | 15 | 1 2 |
| 2010 | 14 | 1 2 |
| 2009 | 13 | 1 2 |
| 2008 | 12 | 1 2 |
| 2007 | 11 | 1 2 special issue |
| 2006 | 10 | 1 2 |
| 2005 | 9 | 1 2 |
| 2004 | 8 | 1 2 |
| 2003 | 7 | 1 2 |
| 2002 | 6 | 1 2 |
| 2001 | 5 | 1 2 |
| 2000 | 4 | 1 2 |
| 1999 | 3 | 1 2 |
| 1998 | 2 | 1 2 3 |
| 1997 | 1 | 2-3 |
| 1996 | 1 | 1 |
