Year	Dollars
1992-01-01	4913321
1997-01-01	18448084
2002-01-01	18197617
2003-01-01	17788387
2004-01-01	65367072
2005-01-01	82142688
2006-01-01	34314376
2007-01-01	56458422
2008-01-01	56079152
2009-01-01	26172894
2011-01-01	46116899
2012-01-01	12881977
2014-01-01	40506111
2015-01-01	14548775
2016-01-01	21380330