Year	Dollars
1997-01-01	46132
2002-01-01	1591193
2003-01-01	906682
2004-01-01	4383435
2005-01-01	11741821
2006-01-01	4731390
2007-01-01	9138610
2008-01-01	9408798
2009-01-01	2659781
2010-01-01	6135248
2011-01-01	5073913
2012-01-01	11078525
2013-01-01	18081120
2014-01-01	30750269
2015-01-01	26696969
2016-01-01	31101742