Portland, 2006
London, 2007
Ottawa (at OLS), 2008
Berlin, 2009
Portland, 2009
Boston, 2010
San Francisco, 2010
Vancouver, 2011
Barcelona, 2012
New Orleans, 2013
Chicago 2014
Düsseldorf, 2014
Ottawa, 2015
Seville, 2016
Santa Fe, 2016
Seoul, 2017
Prague, 2019
Vancouver, 2020
Lisbon, 2022