Year Dollars 1992-01-01 838601290 1997-01-01 1478800791 2002-01-01 1926330148 2003-01-01 2566497599 2004-01-01 3953595201 2005-01-01 3351264543 2006-01-01 4113972342 2007-01-01 4736908161 2008-01-01 4022764402 2009-01-01 3855236670 2010-01-01 5381150064 2011-01-01 5209482865 2012-01-01 4847347478 2013-01-01 5442336146 2014-01-01 6312831208 2015-01-01 5153082029 2016-01-01 6293279593