Year	Dollars
1997-01-01	1001748
2002-01-01	112310
2003-01-01	585220
2004-01-01	417844
2005-01-01	798678
2006-01-01	530372
2007-01-01	600804
2008-01-01	1833176
2009-01-01	831135
2010-01-01	686642
2012-01-01	436513
2013-01-01	769899
2014-01-01	3358632
2015-01-01	7393329