Year	Dollars
1992-01-01	150098237
1997-01-01	334195270
2002-01-01	291044440
2003-01-01	284515187
2004-01-01	341700259
2005-01-01	412370001
2006-01-01	460157748
2007-01-01	447312560
2008-01-01	468443056
2009-01-01	495312343
2010-01-01	492410676
2011-01-01	606097305
2012-01-01	672282698
2013-01-01	1028663424
2014-01-01	656404183
2015-01-01	879900221
2016-01-01	908272760