Year Dollars 2002-01-01 844576 2003-01-01 1431905 2004-01-01 1815697 2005-01-01 11786966 2006-01-01 32726476 2007-01-01 32030272 2008-01-01 78503835 2009-01-01 32406339 2010-01-01 31591526 2011-01-01 61788988 2012-01-01 44478137 2013-01-01 64568426 2014-01-01 73499604 2015-01-01 26333242 2016-01-01 41896975