Year Dollars 1992-01-01 4554940 1997-01-01 15351371 2002-01-01 27487157 2003-01-01 27319006 2004-01-01 26774565 2005-01-01 36139065 2006-01-01 35684419 2007-01-01 58612502 2008-01-01 72569888 2009-01-01 56291610 2010-01-01 109317003 2011-01-01 126874048 2012-01-01 129239150 2013-01-01 135033286 2014-01-01 119031691 2015-01-01 124146723 2016-01-01 135738067