Year Dollars 2004-01-01 58594 2005-01-01 100524 2006-01-01 62757 2007-01-01 474431 2008-01-01 96557 2009-01-01 51551 2010-01-01 470473 2011-01-01 44680 2012-01-01 110190 2013-01-01 125858 2015-01-01 154180 2016-01-01 423254