Year Dollars 1997-01-01 59054 2004-01-01 340226 2006-01-01 217440 2007-01-01 92334 2008-01-01 62172 2009-01-01 113307 2010-01-01 465683 2011-01-01 547555 2012-01-01 1183362 2013-01-01 1400274 2014-01-01 829478 2015-01-01 623474 2016-01-01 2410822