Year Dollars 1992-01-01 830031219 1997-01-01 836650277 2002-01-01 625274012 2003-01-01 555946336 2004-01-01 760491128 2005-01-01 938224295 2006-01-01 1221198120 2007-01-01 1806135129 2008-01-01 1922376258 2009-01-01 1257081104 2010-01-01 1470534963 2011-01-01 1456689741 2012-01-01 1556570573 2013-01-01 1833350332 2014-01-01 2388768314 2015-01-01 1957213056 2016-01-01 2001555435