Year Dollars 1992-01-01 620438 1997-01-01 159026 2002-01-01 190965 2003-01-01 172974 2004-01-01 574570 2005-01-01 776470 2006-01-01 212011 2007-01-01 639310 2008-01-01 780882 2009-01-01 300692 2010-01-01 259407 2011-01-01 492602 2012-01-01 269199 2014-01-01 110441 2015-01-01 177875 2016-01-01 505769