| Year | Articles | |
| 1996 | 70 |  |
| 1997 | 181 | |
| 1998 | 353 | |
| 1999 | 477 | |
| 2000 | 1231 | |
| 2001 | 1513 | |
| 2002 | 1755 | |
| 2003 | 2105 | |
| 2004 | 2719 | |
| 2005 | 3200 | |
| 2006 | 4152 | |
| 2007 | 4981 | |
| 2008 | 6531 | |
| 2009 | 7644 | |
| 2010 | 9122 | |
| 2011 | 10135 | |
| 2012 | 12133 | |
| 2013 | 13337 | |
| 2014 | 14987 | |
| 2015 | 16575 | |
| 2016 | 18248 | |
| 2017 | 19568 | |
| 2018 | 21157 | |
| 2019 | 22386 | |
| 2020 | 22571 | |