Year Dollars 2002-01-01 181037 2005-01-01 689722 2006-01-01 1039372 2007-01-01 1083469 2008-01-01 740166 2009-01-01 10452256 2010-01-01 8132033 2011-01-01 2690526 2012-01-01 2453785 2013-01-01 4262008 2014-01-01 7659513 2015-01-01 8567465 2016-01-01 7481461