Issues
#1+4 printings August 2010
#2+2 printings September 2010
#3+1 printing October 2010
#4+1 printing November 2010
#5+1 printing December 2010
#6+1 printing January 2011
#7 February 2011
#8 March 2011
#9 April 2011
#10 June 2011
#11 June 2011
#12 September 2011
#13 October 2011
#14 November 2011
#15 January 2012
#16 
#17 March 2012
#18 April 2012
#19 May 2012
#20 July 2012
#21 August 2012
#22 October 2012
#23+1 printing November 2012
#24 
#25+2 printings 
#26 April 2013
#27+7 printings May 2013
#28+7 printings June 2013
#29+7 printings July 2013
#30 August 2013
#31 September 2013
#32 October 2013
#33 October 2013
#34 November 2013
#35 November 2013
#36 
#37 
#38 
#39 
#40 
#41 October 2014
#42 
#43 February 2015
#44 March 2015
#45 April 2015
#46 June 2015
#47 August 2015
#48 September 2015
#49 December 2015
#50+3 printings July 2016