Year	Current U.S. Dollars
1981-01-01	7317850048.30918
1982-01-01	7698885748.79227
1983-01-01	8554364251.20773
1984-01-01	8076785458.93720
1985-01-01	9447700386.47343
1986-01-01	9817322463.76812
1987-01-01	10480006666.66670
1988-01-01	10844346376.81160
1989-01-01	11396246714.97580
1990-01-01	12108119661.83580
1991-01-01	13390412125.60390
1992-01-01	10429217520.07140
1993-01-01	8734430671.62956
1994-01-01	6848460204.38158
1995-01-01	7603562639.92836
1996-01-01	8504359178.89306
1997-01-01	8492265911.60901
1998-01-01	7751811217.66928
1999-01-01	7648343127.98732
2000-01-01	8182263337.46518
2001-01-01	8180069454.11753
2002-01-01	7797207615.85915
2003-01-01	8557581131.63569
2004-01-01	10067656708.62580
2005-01-01	12365354408.43310
2006-01-01	15242461910.63140
2007-01-01	19721806402.09230
2008-01-01	27086850118.99610
2009-01-01	32395738209.04120
2010-01-01	29825574928.24450
2011-01-01	31883271774.19350
2012-01-01	43214529006.08520
2013-01-01	47541429851.27130
2014-01-01	55459432981.04340
2015-01-01	64202554818.84330
2016-01-01	72758372763.82910
2017-01-01	80063770300.27920