Year Dollars 1992-01-01 24068786 1997-01-01 35306881 2002-01-01 75423704 2003-01-01 86460558 2004-01-01 69827562 2005-01-01 86037169 2006-01-01 161813402 2007-01-01 203506273 2008-01-01 298932392 2009-01-01 220674686 2010-01-01 243716567 2011-01-01 301562052 2012-01-01 247872162 2013-01-01 245474882 2014-01-01 185214369 2015-01-01 135788541 2016-01-01 102928670