Year	current US$
1981	91216444212.07263
1982	89497717600.82402
1983	80640472702.62543
1984	80717710589.01054
1985	83545539737.06676
1986	84767926338.80038
1987	92250593103.7883
1988	102353320117.69553
1989	103390525186.07623
1990	113966903981.32904
1991	126363671968.29915
1992	105461813641.38234
1993	105597674807.06093
1994	110425595596.65338
1995	132878909903.76787
1996	148012111307.92593
1997	160150064397.04276
1998	166742795679.46
1999	116314856448.60791
2000	127617689141.7846
2001	124835496590.65681
2002	142548574165.75204
2003	155689769810.21884
2004	168988239019.08032
2005	193301826598.9222
2006	222996563911.18665
2007	262414259542.08325
2008	319533501170.99866
2009	319606156285.5026
2010	354113355952.95496
2011	388989983718.43506
2012	410776283374.14124
2013	429611488829.91797
2014	456657695299.1823
2015	449437456649.5785
2016	436374897412.3357
2017	444340017123.7687
2018	465457106407.0359
2019	481693166342.2628
2020	497480830163.8919
2021	526515330941.6191
2022	557450969229.3063
2023	549012318043.9177