Year	Current U.S. Dollars
1989-01-01	506500173960.269
1990-01-01	516814274021.956
1991-01-01	517962962962.963
1992-01-01	460290556900.726
1993-01-01	435083713850.837
1994-01-01	395077301248.464
1995-01-01	395531066563.296
1996-01-01	391719993756.828
1997-01-01	404926534140.017
1998-01-01	270953116950.026
1999-01-01	195905767668.562
2000-01-01	259708496267.330
2001-01-01	306602673980.117
2002-01-01	345110438692.185
2003-01-01	430347770731.787
2004-01-01	591016690742.798
2005-01-01	764017107992.392
2006-01-01	989930542278.695
2007-01-01	1299705247685.760
2008-01-01	1660844408499.610
2009-01-01	1222643696991.850
2010-01-01	1524916112078.870
2011-01-01	2051661732059.780
2012-01-01	2210256976945.380
2013-01-01	2297128039058.210
2014-01-01	2063662665171.890
2015-01-01	1368400705491.020
2016-01-01	1284727602173.710
2017-01-01	1577524145963.170