Year	Dollars
1992-01-01	3822704
1997-01-01	20857621
2002-01-01	10947337
2003-01-01	11593901
2004-01-01	6358448
2005-01-01	15592790
2006-01-01	20042891
2007-01-01	13519256
2008-01-01	53368150
2009-01-01	23231047
2010-01-01	17525792
2011-01-01	19916786
2012-01-01	15724350
2013-01-01	23685097
2014-01-01	26235271
2015-01-01	27319870
2016-01-01	14453550