Year Dollars 1992-01-01 78793985 1997-01-01 503879639 2002-01-01 735463789 2003-01-01 711796636 2004-01-01 838057862 2005-01-01 1078962620 2006-01-01 1065578261 2007-01-01 940448649 2008-01-01 1176739244 2009-01-01 1066721451 2010-01-01 1274804575 2011-01-01 1682946210 2012-01-01 1878269645 2013-01-01 1765421655 2014-01-01 2066052710 2015-01-01 2452211331 2016-01-01 2065599913