Year Dollars 1992-01-01 43069106 1997-01-01 60308130 2002-01-01 62472372 2003-01-01 70073804 2004-01-01 75457447 2005-01-01 73270135 2006-01-01 102671851 2007-01-01 166947073 2008-01-01 168160845 2009-01-01 177108100 2010-01-01 155632449 2011-01-01 166258763 2012-01-01 216464362 2013-01-01 158605752 2014-01-01 275547724 2015-01-01 271770604 2016-01-01 208442825