Literature surveys performed
2003   7701
2004   26521
2005   34145
2006   64788
2007   83518
2008   90374
2009   93471
2010   96308
2011   88771
2012   97294
2013   120355
2014   132784
2015   154049
2016   170856
2017   225786

   * - Statistics from the previous GWRI site. Statistics of new GWRI site started from August 2002.
   # - Statistics from the previous and current GWRI site.
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                Webmaster Arik Amir