Year Dollars 1992-01-01 898782 1997-01-01 757455 2002-01-01 1253785 2003-01-01 1025709 2004-01-01 1166843 2005-01-01 1793057 2006-01-01 1909590 2007-01-01 2518772 2008-01-01 4056116 2009-01-01 4010681 2010-01-01 2077199 2011-01-01 4073968 2012-01-01 2501919 2014-01-01 2093206 2015-01-01 1220813 2016-01-01 2252771