Year	Dollars
1997-01-01	681335
2002-01-01	5185867
2003-01-01	6269971
2004-01-01	7589098
2005-01-01	8871357
2006-01-01	10526940
2007-01-01	14944117
2008-01-01	18802395
2009-01-01	26031271
2010-01-01	17813759
2011-01-01	21451240
2012-01-01	27750924
2013-01-01	18904622
2014-01-01	25038185
2015-01-01	34965242
2016-01-01	36790577