Year Dollars 1992-01-01 507327 1997-01-01 1234108 2002-01-01 1556991 2003-01-01 1239696 2004-01-01 1275405 2005-01-01 2558449 2006-01-01 2678074 2007-01-01 10612475 2008-01-01 5042746 2009-01-01 2957697 2010-01-01 5004226 2011-01-01 3407636 2012-01-01 3356188 2013-01-01 3230151 2014-01-01 4740927 2015-01-01 5445484 2016-01-01 6127462