Year	Dollars
1997-01-01	1517204
2002-01-01	947889
2003-01-01	958675
2004-01-01	655526
2005-01-01	892105
2006-01-01	1668579
2007-01-01	1741432
2008-01-01	12569241
2009-01-01	4655473
2010-01-01	13345775
2011-01-01	7009865
2012-01-01	23352971
2013-01-01	10809371
2014-01-01	7378138
2015-01-01	10105801
2016-01-01	3338683