Year Dollars 1992-01-01 2025382 1997-01-01 1883345 2002-01-01 2002714 2004-01-01 1801301 2005-01-01 4172775 2006-01-01 2799711 2007-01-01 4255026 2008-01-01 6096030 2009-01-01 3251761 2010-01-01 2460273 2011-01-01 1819547 2012-01-01 3664468 2013-01-01 2661844 2014-01-01 3243967 2015-01-01 4663082 2016-01-01 5547628