Year	current US$
1965	168764340956.64032
1966	165685566110.27908
1967	176085366867.61652
1968	188732967481.0658
1969	208167903768.6275
1970	221465642168.48727
1971	241041593775.23666
1972	267554740350.17197
1973	317539764273.6171
1974	389331874147.8907
1975	448448585365.43085
1976	476176774703.0502
1977	537764171608.3213
1978	602967942264.0743
1979	728534618897.5133
1980	917395172517.6262
1981	1024434178554.2462
1982	964138161522.244
1983	947270933111.8693
1984	985299879224.8243
1985	1035875090857.6982
1986	1051018159112.7273
1987	1044683947466.6025
1988	1125894082887.3745
1989	1164499119835.9294
1990	1351127276990.156
1991	1379579726031.8552
1992	1546085273516.5652
1993	1759402069850.6172
1994	1903836356713.0154
1995	2168326887505.1716
1996	2415892797016.012
1997	2595840017861.585
1998	2630625501986.4097
1999	2516716262514.5
2000	2730958818419.1406
2001	2787598742455.3633
2002	2801727601863.756
2003	3123763786613.8384
2004	3614226145705.6255
2005	4275924367693.098
2006	5032343919973.896
2007	6213681686208.944
2008	7308041723332.067
2009	7531765193919.632
2010	9057785567895.982
2011	10600364946088.496
2012	11448593676918.605
2013	12347960722153.742
2014	13150175944674.54
2015	13135403840437.62
2016	13464195424601.115
2017	14698975651666.285
2018	15645519992063.36
2019	16247119048304.514
2020	15671206230768.31
2021	18013464098372.145
2022	18815054699525.13
2023	19680565262385.895