Year Dollars 1992-01-01 2695697 1997-01-01 1389931 2002-01-01 1741449 2003-01-01 2369251 2004-01-01 1704576 2005-01-01 1783284 2006-01-01 2113424 2007-01-01 4125761 2008-01-01 6647809 2009-01-01 3950982 2010-01-01 3932707 2011-01-01 3697770 2012-01-01 2223112 2014-01-01 2440835 2015-01-01 1044630 2016-01-01 1588355