Year Dollars 1997-01-01 2214025 2002-01-01 107750 2003-01-01 424207 2005-01-01 1007247 2006-01-01 552434 2010-01-01 309967 2011-01-01 622678 2012-01-01 1865671 2013-01-01 649099 2014-01-01 1422461 2015-01-01 2655679 2016-01-01 2476925