Year	Dollars
1992-01-01	6892853
1997-01-01	22820810
2002-01-01	13929353
2003-01-01	16512231
2004-01-01	19312892
2005-01-01	16899320
2006-01-01	24833477
2007-01-01	30582723
2008-01-01	51235717
2009-01-01	23137349
2010-01-01	44587580
2011-01-01	29021390
2012-01-01	27941973
2013-01-01	26068633
2014-01-01	40416489
2015-01-01	38060109
2016-01-01	39673720