Year	Dollars
1997-01-01	11306103
2002-01-01	3157142
2003-01-01	8869030
2004-01-01	6592562
2005-01-01	11459849
2006-01-01	17579538
2007-01-01	39711281
2008-01-01	82151716
2009-01-01	12146857
2010-01-01	19128915
2013-01-01	88781752
2014-01-01	63464657
2015-01-01	27667438