Year	constant 2010 US$
1970	19726.2730847421
1971	20292.5639225728
1972	21046.6621351512
1973	21989.7887013068
1974	22178.7595356712
1975	22088.2105883046
1976	23302.1113589681
1977	24115.2895990384
1978	24938.5524179088
1979	25910.2111258994
1980	26230.3039867267
1981	26306.8333844094
1982	26205.7826701462
1983	26752.3619822845
1984	27699.6871915963
1985	28411.5527532507
1986	29008.3624578371
1987	29345.6341965751
1988	30461.866331438
1989	31455.3521994774
1990	32851.9601584045
1991	34093.2435415528
1992	34434.1426843136
1993	33822.0471632711
1994	34300.7295322363
1995	34712.7939296094
1996	34932.9685263459
1997	35453.5415549455
1998	36013.6556284416
1999	36638.3016889081
2000	37745.1386083622
2001	38251.5388858785
2002	38046.7346396585
2003	37868.7938466868
2004	38948.9551939703
2005	39317.6949546799
2006	41154.1545068822
2007	42447.492092059
2008	42771.155644912
2009	40994.2123504394
2010	42608.8104140148
2011	45227.1439977465
2012	45285.917165042
2013	45349.669347207
2014	46012.0662304647
2015	46510.2539563604
2016	47094.5464867123
2017	47984.054015743