Year	current US$
1981	174343709922.32593
1982	165147993773.3066
1983	144508608546.61655
1984	125850492742.37308
1985	109583657542.3604
1986	112957863010.40448
1987	130984296274.82878
1988	134727813066.87515
1989	136775057534.77588
1990	164898374633.88803
1991	180355962231.11526
1992	170403592380.68408
1993	175337086575.59937
1994	184224194939.77512
1995	224903432930.33914
1996	237090988350.6859
1997	251353559450.4346
1998	265213027592.5699
1999	196378821309.5869
2000	209151726594.612
2001	198308754482.9326
2002	206399039921.98956
2003	272629958236.64273
2004	344138427503.1313
2005	402127431810.78314
2006	481376167038.34125
2007	548135839820.34863
2008	600845723281.9581
2009	623648281432.3654
2010	740820061719.0858
2011	819353099225.3049
2012	855789120825.9452
2013	918010623720.2147
2014	964334097826.6858
2015	896425101324.6902
2016	818929921214.9663
2017	857404537052.6385
2018	916645438580.9669
2019	924599182967.461
2020	846770695015.8607
2021	923882816047.6294
2022	951190248836.8275
2023	902686861381.0581