Year	Dollars
1992-01-01	1891731
1997-01-01	8738957
2002-01-01	1908217
2003-01-01	3590909
2004-01-01	6285473
2005-01-01	4479648
2006-01-01	2841737
2007-01-01	4308578
2008-01-01	5427704
2009-01-01	5317813
2010-01-01	6588968
2011-01-01	7561581
2012-01-01	8151492
2013-01-01	8578722
2014-01-01	14622227
2015-01-01	10345891
2016-01-01	9160546