Year Dollars 2003-01-01 69145 2004-01-01 55139 2007-01-01 263804 2008-01-01 275524 2009-01-01 321573 2010-01-01 540101 2011-01-01 456505 2012-01-01 460304 2013-01-01 440261 2014-01-01 670685 2015-01-01 487429 2016-01-01 642110