Year	constant 2015 US$
1970	73664686142.42834
1971	74347058392.65367
1972	79811463744.29004
1973	85039850866.60571
1974	85492342528.54166
1975	84542740786.63196
1976	86463165384.81558
1977	84932264992.07141
1978	88148477684.94704
1979	95147647558.84505
1980	97241794871.29962
1981	98757472961.55759
1982	101786614892.20935
1983	104248864923.01067
1984	109228889879.40346
1985	112438359151.11903
1986	117377331680.63339
1987	121194927352.23613
1988	129199827661.24414
1989	132758620551.57973
1990	129775636984.63007
1991	116909904987.86984
1992	110590019445.16022
1993	108883568143.13531
1994	116687324844.73172
1995	130302606309.54471
1996	134745324096.1736
1997	146075288890.79593
1998	155754276646.66043
1999	163123683584.44647
2000	170330678929.83237
2001	176049658616.07053
2002	178515562097.89188
2003	177818073378.29785
2004	186141337406.62796
2005	187763896355.9347
2006	194162320061.78632
2007	202843710790.8905
2008	200749901287.90933
2009	184267450372.33893
2010	190568130931.79407
2011	192448828477.33484
2012	187769762110.44412
2013	186617353414.3786
2014	188539725167.13522
2015	192298193179.646
2016	196883697213.137
2017	202345008716.78302
2018	205703375921.9734
2019	207370824489.88046
2020	205172783072.58755
2021	213084748995.8679