Year	current US$
1970	105.77218279481224
1971	111.95250590225892
1972	113.36964059524334
1973	125.54024717445252
1974	147.43184466646315
1975	152.26480873644235
1976	145.20602393250326
1977	162.8640189634688
1978	182.09981506864108
1979	198.66944160275855
1980	237.62075169812368
1981	244.4975217964862
1982	245.116775558673
1983	254.15892920070587
1984	246.1361596188019
1985	259.6767438437937
1986	269.79948021075205
1987	291.6256406715832
1988	306.33617364225904
1989	300.3063465785669
1990	314.60234360577346
1991	273.1835163733212
1992	283.9692225141344
1993	276.8049349968954
1994	308.26861590634746
1995	334.8962558586201
1996	359.99161259030143
1997	369.84065564102946
1998	368.72966510244765
1999	386.9367199212728
2000	396.42506058980564
2001	399.19123609755763
2002	411.36732443290043
2003	472.623032264882
2004	535.9777980421209
2005	601.464604280016
2006	673.000236781188
2007	833.2700428609742
2008	825.4618040498752
2009	910.5625788288434
2010	1091.1343561765098
2011	1184.7704333943277
2012	1183.4840587148828
2013	1200.2661008543485
2014	1301.072433755532
2015	1354.657048651672
2016	1481.9063178487806
2017	1680.4588837687702
2018	1706.2718257461331
2019	1759.2505243630767
2020	1642.4275872836208
2021	1886.5667887132379