Year Dollars 1992-01-01 308296 1997-01-01 951817 2002-01-01 1273470 2003-01-01 3174009 2004-01-01 1647294 2005-01-01 935441 2006-01-01 2282923 2007-01-01 2206757 2008-01-01 3352346 2009-01-01 894018 2010-01-01 3182290 2011-01-01 3899179 2012-01-01 4589897 2013-01-01 2782021 2014-01-01 5425456 2015-01-01 3085360 2016-01-01 2698031