2020

82 threads

2019

69 threads

2018

50 threads

2017

127 threads

2016

106 threads

2015

96 threads

2014

143 threads

2013

166 threads

2012

126 threads

2011

160 threads

2010

255 threads

2009

199 threads

2008

372 threads

2007

313 threads

2006

317 threads

2005

474 threads

2004

458 threads

2003

306 threads

2002

229 threads