Year	Dollars
1997-01-01	149550
2002-01-01	938151
2003-01-01	894278
2004-01-01	744947
2005-01-01	823691
2006-01-01	1540542
2007-01-01	1232593
2008-01-01	3895178
2009-01-01	9604168
2010-01-01	7359549
2011-01-01	8385411
2012-01-01	11392967
2013-01-01	4043185
2014-01-01	6844231
2015-01-01	4379110
2016-01-01	4916462