Year Dollars 2002-01-01 5902912 2003-01-01 2737926 2004-01-01 2854230 2005-01-01 2267422 2006-01-01 7824803 2007-01-01 6702019 2008-01-01 6196207 2009-01-01 4023511 2010-01-01 2310189 2011-01-01 2665251 2012-01-01 3123778 2013-01-01 6033888 2014-01-01 7697994 2015-01-01 3190355 2016-01-01 4721191