Year	current US$
1970	9847792452.72849
1971	10754446008.3868
1972	12630566934.9348
1973	16610946078.3733
1974	21022901360.6167
1975	24639661638.0486
1976	26492035413.7796
1977	27467170097.4116
1978	29725796319.1575
1979	36883325269.8121
1980	44271353288.8734
1981	42918116348.7338
1982	43191049131.5477
1983	41494675063.4138
1984	43159888219.2765
1985	45618056977.7313
1986	60232653951.5181
1987	74631773013.9573
1988	88942843020.0007
1989	95465839170.9735
1990	111207356312.047
1991	97447884837.5129
1992	84316299668.6295
1993	66425482650.9462
1994	78657408477.9598
1995	106019496517.031
1996	105432121119.957
1997	103030988427.932
1998	108926052950.392
1999	111103903133.725
2000	103877517908.746
2001	107406380785.551
2002	116793339207.505
2003	141045668026.165
2004	164701457734.266
2005	169597898056.343
2006	180706493408.893
2007	212470392031.882
2008	234904644117.028
2009	207087121467.063
2010	205396068983.334
2011	225175649123.428
2012	209581908552.539
2013	219949673953.959
2014	224739841842.262
2015	192298193179.646
2016	196715265739.414
2017	208427195772.995
2018	225387231930.69
2019	218983609936.084
2020	223423086381.072
2021	246110920377.729