Year	current US$
1970	239250000.59232095
1971	256709998.94477397
1972	271130004.9982965
1973	295429999.9680371
1974	424709997.5962195
1975	516969999.9541047
1976	423659999.9126047
1977	379549995.29756606
1978	507340005.5542589
1979	429459998.6840039
1980	444680000.49144024
1981	550060000.5146116
1982	652549998.4603374
1983	617110003.3354015
1984	773009997.1592427
1985	732500000.3594904
1986	683879997.9444593
1987	849259998.2582031
1988	1055060001.7756226
1989	941400002.5615098
1990	999630005.1137807
1991	1093100006.4555552
1992	1166139999.2592635
1993	783139998.9519268
1994	710589999.1095064
1995	882919998.9028275
1996	858439992.8692725
1997	760229998.5140562
1998	759360003.5719575
1999	717720001.360401
2000	623049999.3786219
2001	625920001.0560453
2002	788150005.3461642
2003	739509985.1563576
2004	1193759996.4011457
2005	1871189993.981272
2006	1541450003.6705294
2007	1929840010.4083126
2008	2083520022.010431
2009	1856220013.1732965
2010	2316569994.654507
2011	2005099986.3799655
2012	2045750007.1767719
2013	1970199993.6569488
2014	1952500007.4654825
2015	1953339993.9294906
2016	1479470009.7199528
2017	1694670008.2700686
2018	1846029996.3168793
2019	1497489998.128265
2020	1505250005.498529
2021	2012220000.2986946
2022	4375389915.989717