Jan 2010
May 2010
Sep 2010
Jan 2011
May 2011
Sep 2011
Jan 2012
May 2012
Sep 2012
Jan 2013
May 2013
Sep 2013
Jan 2014
May 2014
Sep 2014
Jan 2015
0
60000
120000
180000
240000
300000
360000