Year	Dollars
1992-01-01	916079
1997-01-01	2555958
2002-01-01	7105388
2003-01-01	4672131
2004-01-01	6564495
2005-01-01	9174967
2006-01-01	12893961
2007-01-01	9863014
2008-01-01	9705789
2009-01-01	14973903
2010-01-01	13370706
2011-01-01	16010646
2012-01-01	10455588
2013-01-01	43981747
2014-01-01	67021326
2015-01-01	13315458
2016-01-01	17910148