Year	current US$
1969	6091727274.330933
1970	6972429536.7382965
1971	8497066416.0401
1972	10751059461.68635
1973	14051347154.34337
1974	17294383146.159523
1975	21668250261.415127
1976	23630504250.70845
1977	28408003052.886776
1978	35357139947.03606
1979	41729689113.47907
1980	44983722012.85746
1981	37886092025.08169
1982	37327567054.55146
1983	35954595784.10934
1984	31743192307.69231
1985	32161109341.8259
1986	44750227558.913475
1987	56828988250.65274
1988	59217997547.1067
1989	56476096851.29377
1990	69055591189.64056
1991	71689731258.84016
1992	81308863408.5213
1993	80135467489.32132
1994	85256715098.68024
1995	101432884984.90254
1996	96290196078.43137
1997	87493788118.36458
1998	91226394134.63675
1999	92064966896.91139
2000	85812841929.41194
2001	90601883007.87413
2002	104832922223.92175
2003	132841214134.11737
2004	148184839074.51776
2005	152693419579.76648
2006	170197676128.23505
2007	197158341199.60846
2008	223629839778.9062
2009	226574035739.06235
2010	222381016533.33377
2011	233439247645.91486
2012	218343410841.79694
2013	226213033147.45163
2014	229119887766.66586
2015	191228984750.78116
2016	193533154055.2534
2017	202767604045.8827
2018	222741011048.6273
2019	224044911545.0977
2020	237050238255.25357
2021	265216504391.4686
2022	253258197470.8181
2023	282854466598.0442