Year	Dollars
1992-01-01	1591071
1997-01-01	2098127
2002-01-01	2274684
2003-01-01	2898798
2004-01-01	22193764
2005-01-01	49055990
2006-01-01	51478070
2007-01-01	122632438
2011-01-01	264703296
2014-01-01	105503858
2015-01-01	60045274
2016-01-01	149954710