Year Dollars 1992-01-01 34197752 1997-01-01 101505256 2002-01-01 91328306 2003-01-01 106671280 2004-01-01 69319091 2005-01-01 69265489 2006-01-01 93676114 2007-01-01 217135874 2008-01-01 56199138 2009-01-01 145448109 2010-01-01 268443414 2011-01-01 246213687 2012-01-01 207282621 2013-01-01 167834278 2014-01-01 159854369 2015-01-01 151288327 2016-01-01 154318998