Year	current US$
1970	227123821.092079
1971	216368644.806977
1972	282702052.073746
1973	349630066.23566
1974	415299929.733075
1975	505148798.678766
1976	472550484.164892
1977	399487216.372314
1978	300003479.77564
1979	330957852.094223
1980	484521795.64014
1981	622411533.390996
1982	562959636.253582
1983	455894293.889572
1984	461712383.362535
1985	406951076.064
1986	437493212.227075
1987	623547532.778666
1988	420205073.439194
1989	585872862.675528
1990	669562042.598256
1991	886701314.517192
1992	915754479.019946
1993	878874541.793154
1994	1124172157.36118
1995	1329200900.90826
1996	1501307870.92042
1997	1471088609.52737
1998	1613347306.96441
1999	1525386494.12542
2000	1595648937.83893
2001	1509849805.36473
2002	1457501160.82668
2003	1620723212.63509
2004	1838462856.11342
2005	2054477800.273
2006	2224491162.24882
2007	2488906615.53212
2008	2884690830.17191
2009	3081965340.94681
2010	3335305794.48514
2011	3690729893.61316
2012	4332393084.62239
2013	5132793589.69613
2014	5923483198.30927
2015	5863359494.69711
2016	5983857188.64935
2017	6795831394.74454
2018	6876995535.69081
2019	7430835716.99383
2020	7414149386.4712
2021	7281745307.84758