Year	constant 2010 US$
1976	1377.54084615757
1977	1393.50140794807
1978	1321.85224432206
1979	1290.21189234747
1980	1222.1424663585
1981	1241.78521316844
1982	1126.98188194712
1983	1090.48277697193
1984	1064.84298914721
1985	1084.64659545836
1986	1021.13635623673
1987	1040.58080238398
1988	1036.5664924368
1989	1038.6642637624
1990	1063.22180960122
1991	1097.15001268658
1992	1091.77673206627
1993	1097.76989206081
1994	1131.79089610258
1995	1172.65802254876
1996	1211.11343776168
1997	1259.10625477411
1998	1315.69901089165
1999	1271.24840137214
2000	1234.40408341379
2001	1246.61962462969
2002	1269.44834339674
2003	1280.54065725182
2004	1305.68301048314
2005	1298.4809418337
2006	1340.73313825833
2007	1341.55063285077
2008	1471.84196977687
2009	1482.64308787812
2010	1545.67101588493
2011	1585.22143657266
2012	1597.62707339519
2013	1646.56500306851
2014	1666.74769508942
2015	1714.78552881183
2016	1780.26719958928
2017	1817.72305751906