Year Dollars 1997-01-01 466169 2002-01-01 5221810 2003-01-01 1857997 2004-01-01 8824604 2005-01-01 3274838 2006-01-01 3833662 2007-01-01 5661264 2008-01-01 4216501 2009-01-01 2233987 2011-01-01 7675666 2012-01-01 3162286 2013-01-01 2260191 2014-01-01 4601991 2015-01-01 2820724 2016-01-01 753024