Year	constant 2010 US$
1970	7126.9621944819
1971	7479.97599492319
1972	7877.90674843004
1973	8320.43379700975
1974	8206.64976193825
1975	8737.43534301118
1976	9093.79033980424
1977	9766.64669822283
1978	10403.5322707785
1979	10863.8286213975
1980	10806.5782720496
1981	10636.8717859301
1982	10929.8284334678
1983	11094.2957316014
1984	11081.3308126734
1985	11094.7860609285
1986	10894.3630731851
1987	11147.362935931
1988	11779.6296524668
1989	12454.8527887835
1990	12646.5625535558
1991	12856.762171102
1992	13048.9108043814
1993	12873.1257483119
1994	13057.951133156
1995	13325.0247073454
1996	13621.3009570898
1997	14159.0283743852
1998	14723.6998225669
1999	15180.304891873
2000	15499.8405992825
2001	15978.2055263524
2002	16729.3193337062
2003	17445.9917578104
2004	18030.5793899453
2005	18557.5375433561
2006	19016.589343999
2007	19741.3859664641
2008	20394.6853459607
2009	20001.4032235598
2010	18673.4654340443
2011	16878.1808650157
2012	15608.2380817724
2013	15317.932161597
2014	15516.3666994188
2015	15590.1665311178
2016	15651.7451546301
2017	15816.8717488813
2018	16031.0990337879