Year Dollars 1997-01-01 763908 2002-01-01 988712 2003-01-01 1208184 2005-01-01 3088826 2006-01-01 267324 2007-01-01 2069830 2008-01-01 6682615 2009-01-01 8033351 2010-01-01 1640974 2011-01-01 1237437 2012-01-01 1699865 2013-01-01 1644426 2014-01-01 1803852 2015-01-01 147380 2016-01-01 230985