Year	current US$
1975	135987075807.33168
1976	151243355129.46832
1977	174516243997.99982
1978	213229678306.0478
1979	258432896089.8667
1980	306199054881.8189
1981	307962874427.77875
1982	305602328640.3433
1983	297126836069.636
1984	309304474245.80304
1985	325599068705.2121
1986	390493223912.12146
1987	462872330368.4505
1988	512663377357.3625
1989	555064517446.5298
1990	679477531510.066
1991	712196452563.7233
1992	797043444117.8118
1993	787411407754.8091
1994	847301513463.1494
1995	971520813882.3806
1996	1032003665502.3048
1997	1076749300706.0116
1998	1112523779563.064
1999	1206541137310.6003
2000	1284284680862.6985
2001	1268226754002.6099
2002	1346647966622.6846
2003	1538919196804.025
2004	1849872161169.8333
2005	2024624384105.7832
2006	2252203058430.5234
2007	2663849812909.422
2008	2975585774223.0635
2009	2651688692036.9424
2010	2825708551900.877
2011	3168570166418.866
2012	3231784132172.8745
2013	3440940977085.967
2014	3686193268610.819
2015	3513573862816.2656
2016	3575916280462.6094
2017	3878827053063.935
2018	4232397379082.6294
2019	4343360986880.2583
2020	3720823686328.2314
2021	4410053228606.541
2022	4935920567260.04
2023	5370571095640.699