Year Dollars 1992-01-01 5041930 1997-01-01 17180260 2002-01-01 20979738 2003-01-01 38143424 2004-01-01 38454002 2005-01-01 82575218 2006-01-01 62252474 2007-01-01 44016461 2008-01-01 32418316 2009-01-01 23969638 2010-01-01 22152647 2011-01-01 38026895 2012-01-01 67259098 2014-01-01 69365951 2016-01-01 89204687