Year	constant 2010 US$
1965	1780.41583592417
1966	1892.8132837997
1967	1991.48392877266
1968	2061.44764666478
1969	2139.83103016702
1970	2374.67929018263
1971	2408.16329346253
1972	2451.56959165517
1973	2587.60906420362
1974	2791.19052875227
1975	2975.16848980397
1976	3133.9013675868
1977	3327.27542818603
1978	3553.65521617711
1979	3787.58082285238
1980	3927.6643842858
1981	4100.77344468669
1982	4147.58669974176
1983	4288.15894242395
1984	4482.43554358543
1985	4662.88382799537
1986	4243.8190357257
1987	4262.88755272382
1988	4455.38165619432
1989	4123.9615368449
1990	3515.05212798362
1991	2753.93454412673
1992	1505.71076467818
1993	1056.38725597969
1994	961.206841532899
1995	1023.96178855601
1996	1180.73236012
1997	1347.46858006834
1998	1424.10948851318
1999	1495.42300046312
2000	1552.81884237848
2001	1652.88108745074
2002	1759.06983402048
2003	1966.83910160655
2004	2093.73316224698
2005	2309.13651587674
2006	2541.05642238498
2007	2875.65641958461
2008	2954.16710843787
2009	2871.71805863214
2010	3073.52475273438
2011	3322.02417786433
2012	3559.11814503624
2013	3690.74874650261
2014	3859.58204524666
2015	3964.51004585112
2016	4074.92570847849
2017	4271.2822892525
2018	4469.18297653782