Year	Dollars
1992-01-01	14709888
1997-01-01	19225410
2002-01-01	38042653
2003-01-01	23194108
2004-01-01	27743242
2005-01-01	21412079
2006-01-01	23078033
2007-01-01	43745752
2008-01-01	77832273
2009-01-01	41911653
2010-01-01	126788854
2011-01-01	84320044
2012-01-01	58285521
2013-01-01	59040647
2014-01-01	68113676
2015-01-01	58079263
2016-01-01	34867442