Year Dollars 1992-01-01 1001260048 1997-01-01 1293329632 2002-01-01 1556154013 2003-01-01 1608210961 2004-01-01 2392615167 2005-01-01 2418650882 2006-01-01 4214675942 2007-01-01 5213172375 2008-01-01 6925347097 2009-01-01 6028432304 2010-01-01 5837111216 2011-01-01 8610105447 2012-01-01 9555179533 2013-01-01 9453238359 2014-01-01 8512531899 2015-01-01 6627670672