Year Dollars 1997-01-01 7789773 2002-01-01 74523 2003-01-01 1757821 2007-01-01 1240458 2008-01-01 1296717 2009-01-01 593344 2010-01-01 303130 2011-01-01 452606 2012-01-01 350691 2013-01-01 255132 2015-01-01 214173 2016-01-01 38630