Year Dollars 2006-01-01 1235861 2007-01-01 251340 2008-01-01 71130 2010-01-01 38208 2011-01-01 859110 2012-01-01 321464 2013-01-01 394729 2014-01-01 998445 2015-01-01 439570 2016-01-01 512848