Year Dollars 2002-01-01 493644 2003-01-01 338051 2005-01-01 4390097 2006-01-01 4433742 2007-01-01 11311428 2008-01-01 4157703 2009-01-01 624327 2010-01-01 939302 2011-01-01 6267986 2012-01-01 3079528 2013-01-01 3798228 2014-01-01 7377729 2015-01-01 1510395 2016-01-01 2147577