Year Dollars 1992-01-01 1733347 1997-01-01 4024791 2002-01-01 2991259 2003-01-01 5873586 2004-01-01 5990242 2005-01-01 7141921 2006-01-01 23454290 2007-01-01 34401386 2008-01-01 43263803 2009-01-01 13969937 2010-01-01 11616672 2011-01-01 26859406 2012-01-01 17380100 2013-01-01 13528110 2014-01-01 20039382 2015-01-01 25036814 2016-01-01 13583247