Year Dollars 2006-01-01 7059489 2008-01-01 7628646 2009-01-01 1230247 2010-01-01 2038887 2011-01-01 8461598 2012-01-01 6462911 2013-01-01 2272276 2014-01-01 18436475 2015-01-01 2641701