Year Dollars 1992-01-01 55144443 1997-01-01 71380113 2002-01-01 77654699 2003-01-01 62256313 2004-01-01 93444357 2005-01-01 93817040 2006-01-01 134152834 2007-01-01 273138431 2008-01-01 196049872 2009-01-01 152245339 2010-01-01 120399663 2011-01-01 141019372 2012-01-01 126251347 2013-01-01 129892820 2014-01-01 168831973 2015-01-01 126155684 2016-01-01 138348519