Year	Dollars
1992-01-01	957359
1997-01-01	2933193
2002-01-01	3240531
2003-01-01	4773264
2004-01-01	5690661
2005-01-01	8643221
2006-01-01	19457658
2007-01-01	10716941
2008-01-01	39304743
2009-01-01	24158370
2010-01-01	47605451
2011-01-01	39974737
2012-01-01	20876071
2013-01-01	38481582
2014-01-01	54969092
2015-01-01	27272940
2016-01-01	54763940