Year	Current U.S. Dollars
1968-01-01	1020932330.01312
1969-01-01	973231049.62829
1970-01-01	1009862464.27772
1971-01-01	1041666576.23844
1972-01-01	1258466286.23214
1973-01-01	1431771810.38830
1974-01-01	1608337831.37596
1975-01-01	2159830359.25509
1976-01-01	2205843700.68278
1977-01-01	2266447162.70819
1978-01-01	2515131701.40909
1979-01-01	3147279225.52294
1980-01-01	3403381913.96375
1981-01-01	3067471706.65187
1982-01-01	2994072636.18887
1983-01-01	2671398114.27157
1984-01-01	2578934799.90612
1985-01-01	2835100684.69044
1986-01-01	4024763228.89330
1987-01-01	4842405871.67011
1988-01-01	4766951883.80239
1989-01-01	4708364019.73409
1990-01-01	5519847741.50206
1991-01-01	5422333891.15970
1992-01-01	5872286223.07151
1993-01-01	5487729753.50558
1994-01-01	3735087166.94942
1995-01-01	4723855369.26493
1996-01-01	4992915107.62143
1997-01-01	4600439037.23581
1998-01-01	4974446151.53306
1999-01-01	5051305253.65394
2000-01-01	4589011850.39446
2001-01-01	4799782720.41646
2002-01-01	5232162430.15305
2003-01-01	6764878044.79798
2004-01-01	7941187475.77065
2005-01-01	8617455852.59089
2006-01-01	9295275043.26435
2007-01-01	11210761110.30430
2008-01-01	13390934502.18590
2009-01-01	12644722960.00510
2010-01-01	12798660531.15960
2011-01-01	14108978328.55960
2012-01-01	13923799435.54870
2013-01-01	14528211916.82360
2014-01-01	14926529538.11560
2015-01-01	13249223619.74810
2016-01-01	14185608848.61590
2017-01-01	15805128436.68370