Year	Current U.S. Dollars
1970-01-01	301791301.791302
1971-01-01	387700084.245998
1972-01-01	510259940.720474
1973-01-01	793884368.040437
1974-01-01	2401403227.440850
1975-01-01	2512784033.378280
1976-01-01	3284301332.189530
1977-01-01	3617580171.760550
1978-01-01	4052000412.700870
1979-01-01	5633000318.024010
1980-01-01	7829094613.070820
1981-01-01	8661263763.736260
1982-01-01	7596703214.285710
1983-01-01	6467582307.692310
1984-01-01	6704395824.175830
1985-01-01	6153296456.043960
1986-01-01	5053021950.549450
1987-01-01	5446428681.318680
1988-01-01	6038187032.967030
1989-01-01	6487912087.912090
1990-01-01	7360439423.076920
1991-01-01	6883516483.516480
1992-01-01	7646153983.516480
1993-01-01	7156593653.846150
1994-01-01	7374450769.230770
1995-01-01	8137911978.021980
1996-01-01	9059340384.615390
1997-01-01	11297802115.384600
1998-01-01	10255495027.472500
1999-01-01	12393131868.131900
2000-01-01	17759890109.890100
2001-01-01	17538461538.461500
2002-01-01	19363736263.736300
2003-01-01	23533791208.791200
2004-01-01	31734065934.065900
2005-01-01	44530494505.494500
2006-01-01	60882142857.142800
2007-01-01	79712087912.087900
2008-01-01	115270054945.055000
2009-01-01	97798351648.351600
2010-01-01	125122306346.154000
2011-01-01	167775274725.275000
2012-01-01	186833516483.516000
2013-01-01	198727747252.747000
2014-01-01	206224725274.725000
2015-01-01	164641483516.484000
2016-01-01	152451923076.923000
2017-01-01	167605219780.220000