Year Dollars 1992-01-01 64462840 1997-01-01 56929127 2002-01-01 93426939 2003-01-01 125654143 2004-01-01 151841451 2005-01-01 179606174 2006-01-01 189656998 2007-01-01 192511093 2008-01-01 131760554 2009-01-01 166632223 2010-01-01 324907329 2011-01-01 207628483 2012-01-01 217750957 2013-01-01 124903016 2014-01-01 109084685 2015-01-01 85723347 2016-01-01 197393553