Year (publications) | Country (publications) | ||
---|---|---|---|
2019 (592) | 2009 (272) | USA (1766) | Netherlands (263) |
2018 (496) | 2008 (228) | UK (1269) | Denmark (230) |
2017 (506) | 2007 (214) | China (615) | Norway (221) |
2016 (466) | 2006 (217) | Canada (487) | France (182) |
2015 (407) | 2005 (215) | Sweden (379) | Israel (174) |
2014 (393) | 2004 (170) | Australia (365) | Finland (167) |
2013 (378) | 2003 (163) | Spain (311) | South Korea (166) |
2012 (331) | 2002 (162) | Italy (282) | Switzerland (149) |
2011 (349) | 2001 (113) | Japan (271) | Turkey (124) |
2010 (315) | 2000 (152) | Germany (267) | India (101) |