Year	2010 U.S. Dollars
1970-01-01	20202.5137258272
1971-01-01	20656.4002311783
1972-01-01	21333.2204634609
1973-01-01	22551.5062613417
1974-01-01	23409.8293966294
1975-01-01	22561.2343101240
1976-01-01	22570.2008588565
1977-01-01	21614.3577739225
1978-01-01	21676.1593146645
1979-01-01	22238.1820294407
1980-01-01	22495.5641861917
1981-01-01	23452.2501363281
1982-01-01	23436.3875072004
1983-01-01	23927.3162782953
1984-01-01	24858.1523040081
1985-01-01	25103.9452317314
1986-01-01	25789.5617443048
1987-01-01	24465.9685747715
1988-01-01	24887.8673803238
1989-01-01	24898.9420737444
1990-01-01	24830.3943033430
1991-01-01	23267.4848938993
1992-01-01	23317.9856531197
1993-01-01	24559.6698251596
1994-01-01	25499.5855393195
1995-01-01	26279.1037573208
1996-01-01	26735.0526096966
1997-01-01	27180.2954924548
1998-01-01	27227.4096346245
1999-01-01	28491.4183999937
2000-01-01	28972.9762418904
2001-01-01	29896.5709089585
2002-01-01	30868.5881608280
2003-01-01	31639.4793554924
2004-01-01	32191.9572609825
2005-01-01	32887.0546086896
2006-01-01	33324.5032600559
2007-01-01	34256.7377001183
2008-01-01	33442.2580258392
2009-01-01	33743.9932346933
2010-01-01	33692.0108346543
2011-01-01	34337.4626495026
2012-01-01	35003.2766747683
2013-01-01	35436.3233232460
2014-01-01	36142.5200788414
2015-01-01	37038.8548842220
2016-01-01	37528.4583347383
2017-01-01	37852.8735920204