Year Dollars 1992-01-01 45561799 1997-01-01 19024303 2002-01-01 43432084 2003-01-01 35139192 2004-01-01 42465683 2005-01-01 45152498 2006-01-01 60381020 2007-01-01 57404870 2008-01-01 50877769 2009-01-01 42549145 2010-01-01 37242194 2011-01-01 73965615 2012-01-01 50557660 2013-01-01 63326487 2014-01-01 73333945 2015-01-01 67974920 2016-01-01 42690528