Year Dollars 1992-01-01 32835436 1997-01-01 60493373 2002-01-01 49434295 2003-01-01 73894559 2004-01-01 82007973 2005-01-01 72207021 2006-01-01 86442983 2007-01-01 112787718 2008-01-01 107007637 2009-01-01 70148065 2010-01-01 84477681 2011-01-01 79409876 2012-01-01 80171221 2013-01-01 73055032 2014-01-01 66352412 2015-01-01 64868525 2016-01-01 67909793