Year	Dollars
1992-01-01	15420127
1997-01-01	36219845
2002-01-01	17097517
2007-01-01	69996055
2008-01-01	104227008
2009-01-01	60228177
2010-01-01	50486260
2013-01-01	49511266
2015-01-01	62771485
2016-01-01	91359808