Year	Dollars
1997-01-01	130823
2002-01-01	225936
2003-01-01	1733696
2004-01-01	841098
2005-01-01	571998
2006-01-01	1343832
2007-01-01	2898934
2008-01-01	524718
2009-01-01	831308
2010-01-01	1637356
2011-01-01	3753561
2012-01-01	1814592
2013-01-01	901546
2014-01-01	1315662
2015-01-01	3224332
2016-01-01	4365796