Year Dollars 2003-01-01 12321 2006-01-01 285125 2008-01-01 603829 2009-01-01 836534 2010-01-01 779586 2011-01-01 120725 2012-01-01 599120 2013-01-01 69493 2015-01-01 74324 2016-01-01 163977