Year	current US$
1980	1119925709.737331
1981	1294681382.9787233
1982	1518617553.1914895
1983	1725265957.4468086
1984	1792287234.0425532
2006	9893297872.340425
2007	11475611702.127659
2008	12420186170.212767
2009	12752845744.680851
2010	13803324468.085106
2011	14198643617.021276
2012	15739920212.765957
2013	16542898936.170212
2014	17520000000
2015	18194095744.68085
2016	19183696808.51064
2017	20345771276.595745
2018	21078350531.914894
2019	21181441755.31915
2020	19714678457.446808
2021	20433136968.085106
2022	21271260638.29787
2023	22067127659.574467