Year Dollars 1997-01-01 795642 2003-01-01 283088 2004-01-01 899085 2005-01-01 2153260 2006-01-01 1453189 2007-01-01 2409761 2008-01-01 2371085 2009-01-01 2926371 2010-01-01 5157321 2011-01-01 2708548 2012-01-01 2844187 2013-01-01 2420327 2014-01-01 2365419 2015-01-01 3036475 2016-01-01 918436