Year	Dollars
1992-01-01	60334237
1997-01-01	87432241
2002-01-01	122407870
2003-01-01	157646257
2004-01-01	121015073
2005-01-01	132149086
2006-01-01	288073801
2007-01-01	622609170
2008-01-01	554263878
2009-01-01	375607790
2010-01-01	360870846
2011-01-01	433686002
2012-01-01	825052269
2013-01-01	1721619965
2014-01-01	1682963547
2015-01-01	593275526
2016-01-01	706331705