Year	Dollars
1992-01-01	501693850
1997-01-01	825944918
2002-01-01	1208303196
2003-01-01	1509788240
2004-01-01	1707361729
2005-01-01	1887368364
2006-01-01	2117936145
2007-01-01	2483262901
2008-01-01	2982858009
2009-01-01	1649530222
2010-01-01	2245725621
2011-01-01	2762336070
2012-01-01	2553135754
2013-01-01	2868568518
2014-01-01	3851788064
2015-01-01	4406251851
2016-01-01	4232046333