Year	current US$
1975	2081116913.8161123
1976	2395504159.304939
1977	2869341431.488983
1978	3485911915.7905793
1979	4291775861.94737
1980	4493006772.38249
1981	4562565513.671394
1982	4427464552.523942
1983	4424629716.712775
1984	4229813849.989206
1985	4705942420.647858
1986	5950768382.317685
1987	7149420765.032669
1988	8257277813.546798
1989	8476123602.17382
1990	10105854342.485008
1991	10370321928.984653
1992	10665397169.196815
1993	10401699519.152437
1994	11996576524.929028
1995	13945068344.635103
1996	14641751544.097164
1997	13726718275.5775
1998	15778984732.9695
1999	18401522154.0936
2000	21062673399.3937
2001	22120943279.7247
2002	24305144885.4983
2003	28254189264.8752
2004	33401024840.8429
2005	38316856155.79859
2006	47020084298.61391
2007	56503150954.27636
2008	66313805073.517685
2009	55422579075.029884
2010	55011232129.62795
2011	62034895734.408966
2012	61784015653.30856
2013	63936454385.95713
2014	64654204342.5085
2015	58110510575.14599
2016	59434657106.91385
2017	63110130137.66064
2018	73331646347.61005
2019	76262195195.18121
2020	71923161127.76425
2021	84827884247.42542
2022	99629031674.53319
2023	106665981374.0842