Year Dollars 1992-01-01 296852 1997-01-01 414218 2002-01-01 551464 2003-01-01 3027070 2004-01-01 4951098 2005-01-01 4986593 2006-01-01 747076 2007-01-01 1424872 2008-01-01 1144000 2009-01-01 689720 2010-01-01 1484559 2011-01-01 1394058 2012-01-01 2262304 2013-01-01 4679154 2014-01-01 1298656 2015-01-01 1476257 2016-01-01 497684