Year	current US$
1980	1243456627.117297
1981	1413695097.3933659
1982	1270451252.5618024
1983	1184090775.009341
1984	1190526114.5190673
1985	1145544118.4374578
1986	1262021280.539801
1987	1139679931.3104897
1988	1053935723.4848564
1989	1155303630.4053097
1990	1401395630.2484665
1991	1428080089.023949
1992	1578322824.288369
1993	1751751066.1412983
1994	1881071629.8130283
1995	2040287755.4604776
1996	2043496757.6426992
1997	2035752506.6237206
1998	1611724179.9320219
1999	1944181252.7765439
2000	1764170767.5142403
2001	1786120373.2051656
2002	1878208880.149984
2003	2494539943.706192
2004	3160871321.4079633
2005	3266683993.2207637
2006	3626491162.1996303
2007	3823746320.561386
2008	4113259333.626153
2009	3157580712.78826
2010	3339853083.8270764
2011	4002961777.5355635
2012	4093711355.930215
2013	4717968131.01657
2014	5155496212.934042
2015	4847089334.153306
2016	5121506891.692161
2017	5620659207.741155
2018	6013279805.306173
2019	6052787617.808426
2020	5216561701.028908
2021	5468003412.262631
2022	5525599137.514085
2023	5546338253.198266