Year	constant 2015 US$
1970	8444928258.860865
1971	9061191443.365477
1972	9248366254.641825
1973	9068254328.00433
1974	8821925765.790901
1975	9947621820.4641
1976	11050362802.6988
1977	11045064941.857431
1978	11310817831.552162
1979	11808772816.820387
1980	12183121742.010855
1981	12463883958.925375
1982	12658121654.840574
1983	13428892414.44238
1984	14687905995.57176
1985	14931585976.045616
1986	15617598633.170042
1987	16758953259.296719
1988	17115149845.708616
1989	16776689272.825546
1990	18338927108.213192
1991	20032706288.463894
1992	20951278787.98446
1993	22448484806.22048
1994	24355833260.691444
1995	25275883470.771816
1996	26337821091.720577
1997	27236440663.191486
1998	28166836241.914963
1999	30505759165.954784
2000	32353988040.23781
2001	33417404069.1086
2002	35934424240.31103
2003	36898075628.93356
2004	38068645548.21388
2005	37900153768.37114
2006	39214828013.04068
2007	40753418295.29804
2008	39658964765.77347
2009	41259630049.33838
2010	42423549225.05622
2011	43396806778.36084
2012	44716654056.03305
2013	44777252044.14303
2014	46859743022.01921
2015	49784689412.29798
2016	50559157586.42933
2017	52354917624.08688
2018	53838082951.23694
2019	53704324691.85306
2020	44235567565.6828
2021	44851890723.33897
2022	47536663470.42312