Year	Dollars
1992-01-01	151552
1997-01-01	959460
2002-01-01	5864599
2003-01-01	4150926
2004-01-01	4389070
2005-01-01	3693481
2006-01-01	10521634
2007-01-01	9389011
2008-01-01	21925081
2009-01-01	27410987
2010-01-01	28136560
2011-01-01	22700467
2012-01-01	30645322
2013-01-01	15139344
2014-01-01	16991905
2015-01-01	19940227
2016-01-01	20476592