Year Dollars 1992-01-01 1259279 1997-01-01 3141776 2002-01-01 740884 2003-01-01 1285911 2004-01-01 2026314 2005-01-01 1913684 2006-01-01 3144927 2007-01-01 2295993 2008-01-01 2787696 2009-01-01 2029162 2010-01-01 4186632 2011-01-01 3318471 2012-01-01 2082665 2013-01-01 1453385 2014-01-01 2063099 2015-01-01 2517620 2016-01-01 3286392