Year	Dollars
1992-01-01	11357383
1997-01-01	16886794
2002-01-01	5629692
2003-01-01	37559742
2004-01-01	18789377
2005-01-01	12120233
2006-01-01	24983736
2007-01-01	55803193
2008-01-01	44158863
2009-01-01	21451643
2010-01-01	51173991
2011-01-01	84704642
2012-01-01	99374472
2013-01-01	56251324
2014-01-01	41435026
2015-01-01	37722296
2016-01-01	23423434