Year Dollars 1997-01-01 103536 2002-01-01 256175 2003-01-01 270594 2004-01-01 417753 2005-01-01 1082083 2006-01-01 931348 2007-01-01 2573075 2008-01-01 1723890 2009-01-01 1232846 2010-01-01 2064228 2011-01-01 2073005 2012-01-01 1654399 2013-01-01 1499803 2014-01-01 2819202 2015-01-01 2879837 2016-01-01 2982228