Year Dollars 2002-01-01 708281 2003-01-01 470794 2004-01-01 877639 2005-01-01 1531186 2006-01-01 505572 2008-01-01 1738843 2009-01-01 1126788 2010-01-01 460042 2011-01-01 656138 2012-01-01 815511 2013-01-01 1560973 2014-01-01 1079910 2015-01-01 1073092 2016-01-01 861546