Year	Dollars
1992-01-01	4145412
1997-01-01	4409310
2002-01-01	8173045
2003-01-01	6538633
2004-01-01	11539191
2005-01-01	12691627
2006-01-01	19065082
2007-01-01	24986185
2008-01-01	26514287
2009-01-01	16865183
2010-01-01	25528296
2011-01-01	28207108
2012-01-01	34780128
2013-01-01	26491757
2014-01-01	76019684
2015-01-01	34006175
2016-01-01	28312927