Year	constant 2015 US$
1970	8914117255.658594
1971	8584784982.385937
1972	9290891190.621483
1973	10487139141.9582
1974	11693754381.744919
1975	10395673118.280857
1976	11141748418.888279
1977	10881650859.503513
1978	11425451974.533981
1979	11678600654.684761
1980	11992570612.473824
1981	12328880612.31562
1982	13847730531.730465
1983	14410549807.219135
1984	14822688356.057806
1985	15480977887.246086
1986	16468557530.217178
1987	17143635100.953506
1988	18444382523.89374
1989	20138172669.3121
1990	21201796106.78085
1991	22887147297.153114
1992	22936512854.195694
1993	24023403886.49374
1994	24280511308.63827
1995	25442646176.63983
1996	26205414098.686703
1997	27648884821.82537
1998	27792877404.77068
1999	30187537967.093723
2000	31327168585.13474
2001	31893020159.35349
2002	30947185938.892162
2003	30329348138.183178
2004	35406787570.26677
2005	36993333309.1902
2006	35823320899.66521
2007	40876452013.828094
2008	38921593485.245674
2009	30840384228.040604
2010	35101044650.56169
2011	36448048775.42497
2012	41394206204.23825
2013	40209963182.3781
2014	42454987069.68123
2015	38657980989.023415
2016	41001183452.99216
2017	44855795442.93122
2018	45537979443.731995
2019	44390470174.65465
2020	46010398937.431206
2021	49269385574.7316
2022	48486363494.86636