Year	Current U.S. Dollars
1990-01-01	4416828621.90813
1991-01-01	4665744897.95918
1992-01-01	2244618542.52603
1993-01-01	2493504043.10345
1994-01-01	3334670207.85219
1995-01-01	4409806349.08136
1996-01-01	4370760015.03759
1997-01-01	3680912144.57831
1998-01-01	3517543102.56410
1999-01-01	3601088261.86292
2000-01-01	3702834985.73683
2001-01-01	3682393507.36583
2002-01-01	3972613684.89102
2003-01-01	4886353168.03596
2004-01-01	5647430325.53809
2005-01-01	6149435137.78389
2006-01-01	6833758957.66140
2007-01-01	7947225279.34397
2008-01-01	9789795391.19655
2009-01-01	9334909674.69830
2010-01-01	9276084673.89761
2011-01-01	10307356014.36100
2012-01-01	9534214247.97923
2013-01-01	10561425340.49790
2014-01-01	11149565793.29890
2015-01-01	9734233710.43861
2016-01-01	10321509374.37760
2017-01-01	10860315685.39570