Year Dollars 1992-01-01 132000 1997-01-01 641405 2003-01-01 4862238 2004-01-01 5165471 2005-01-01 7887518 2006-01-01 14062882 2007-01-01 20481508 2008-01-01 22947243 2009-01-01 50811014 2010-01-01 52452533 2011-01-01 37938781 2012-01-01 51209849 2013-01-01 55333294 2014-01-01 65748712 2015-01-01 23209457 2016-01-01 8984746