Year Dollars 2002-01-01 10509325 2003-01-01 4081068 2004-01-01 4270345 2005-01-01 9384165 2006-01-01 4200536 2007-01-01 5781071 2008-01-01 8253788 2009-01-01 3863581 2010-01-01 2526094 2011-01-01 2203615 2012-01-01 1743583 2013-01-01 2381301 2014-01-01 7971907 2015-01-01 22340637 2016-01-01 9716884