Year Dollars 2002-01-01 399579 2003-01-01 67272 2004-01-01 100971 2005-01-01 190989 2006-01-01 135758 2007-01-01 850661 2008-01-01 1549389 2009-01-01 353218 2010-01-01 97812 2011-01-01 87495 2012-01-01 257643 2013-01-01 465533 2014-01-01 732026 2015-01-01 1136851 2016-01-01 531755