Year	constant 2015 US$
1972	43865982286.11387
1973	45311668484.247406
1974	48823976581.9242
1975	50999591215.54081
1976	54940437520.3819
1977	55311581362.5457
1978	60991821802.61404
1979	65302230665.26191
1980	65721360281.038925
1981	67326359994.138336
1982	72083354171.83257
1983	76715686448.90205
1984	81774380744.20662
1985	85272586896.83543
1986	86080893002.61148
1987	85608227751.43196
1988	83746537457.60881
1989	87881057623.09157
1990	88567863112.32788
1991	86036655332.23553
1992	88700346570.15608
1993	87685322376.17613
1994	86427254422.49626
1995	88966932594.96173
1996	92517557763.98082
1997	94238807168.81229
1998	99474061585.97876
1999	102203833795.52843
2000	105100691023.04706
2001	110458173417.4324
2002	115570020267.87604
2003	123185829397.36452
2004	127957465403.47714
2005	133810784650.08347
2006	138363995349.5323
2007	146445658518.2942
2008	150903186228.52957
2009	152734139759.07468
2010	161176284868.78815
2011	164672209931.6374
2012	168270038326.2447
2013	171369094939.14813
2014	177985822561.5055
2015	183649437186.97498
2016	193563869589.96774
2017	195454227761.84384
2018	196142015736.9323
2019	198182012616.10574
2020	189117420824.6043
2021	195492392716.0227
2022	201161290949.33978
2023	211769585089.13672