Year Dollars 1997-01-01 62519 2002-01-01 540501 2003-01-01 1343634 2004-01-01 238052 2005-01-01 67832 2006-01-01 562830 2007-01-01 804908 2008-01-01 533282 2009-01-01 1531811 2010-01-01 934374 2011-01-01 2309214 2012-01-01 2079124 2013-01-01 1126154 2014-01-01 1665372 2015-01-01 1938375 2016-01-01 1293663