Year Dollars 1992-01-01 428301 1997-01-01 862992 2002-01-01 818972 2003-01-01 912750 2004-01-01 586855 2005-01-01 998445 2006-01-01 562386 2007-01-01 995415 2008-01-01 1186097 2009-01-01 3270375 2010-01-01 2085892 2011-01-01 2013143 2012-01-01 1828205 2013-01-01 2272040 2014-01-01 2794580 2015-01-01 2311461 2016-01-01 2310542