Year	constant 2010 US$
1970	1188.49848938503
1971	1186.32459802468
1972	1200.36012450982
1973	1201.0182550495
1974	1074.07075855638
1975	1014.20278594404
1976	1122.34222709879
1977	1104.69398281439
1978	1004.82318465854
1979	778.373095647991
1980	879.076591592549
1981	850.381463729998
1982	968.890720547638
1983	1011.08163395292
1984	1051.12244627315
1985	1075.61186912979
1986	1218.63818129025
1987	1263.90608669491
1988	1224.97201341996
1989	1223.14050674906
1990	1199.7190489726
1991	1358.18723295405
1992	1446.55150468722
1993	1448.71153699627
1994	1500.13879368413
1995	1541.91937776562
1996	1560.73796078237
1997	1638.26151915967
1998	1683.13663167534
1999	1719.91253618877
2000	1793.49383538604
2001	1901.61228349562
2002	1908.49668227323
2003	1895.8983423415
2004	1886.32363928809
2005	1862.77761767379
2006	1981.74731216908
2007	2085.71159224145
2008	2106.9099722011
2009	2216.1698060859
2010	2258.17365343153
2011	2259.97831841202
2012	2324.75163611911
2013	2347.01636357114
2014	2376.74538810322
2015	2535.63540674824
2016	2612.62844085031
2017	2525.76134216114