Year	Dollars
1997-01-01	450024
2002-01-01	2010447
2003-01-01	3818275
2004-01-01	8890594
2005-01-01	11559982
2006-01-01	6042734
2007-01-01	13593174
2008-01-01	15089955
2009-01-01	8511670
2010-01-01	7333759
2011-01-01	10261208
2012-01-01	14933955
2013-01-01	15189401
2014-01-01	20393359
2015-01-01	22732423
2016-01-01	18083481