Year	current US$
1970	699199999.4311482
1971	876919999.9328701
1972	1162000002.644956
1973	1659350003.7789345
1974	2227759996.542707
1975	2653280003.6370754
1976	2065379999.7642636
1977	2424179998.6884003
1978	3539290009.941905
1979	4602400008.70265
1980	5220340005.017816
1981	5083399990.506471
1982	5223819989.392535
1983	4851269985.673949
1984	5180319995.937869
1985	5946209990.860895
1986	7377519989.494235
1987	8359020006.002858
1988	9819129970.20781
1989	9395789985.138924
1990	10834069998.214022
1991	10312850046.75016
1992	11248869999.369608
1993	10171179988.669231
1994	11036330013.347788
1995	10702480003.062637
1996	9401200014.306232
1997	8817870022.17956
1998	8920080005.019903
1999	8504959976.784885
2000	8823650008.48472
2001	9122880006.307735
2002	11954239947.598429
2003	18697969942.009083
2004	18485669934.853912
2005	18758050097.82501
2006	20400279979.966576
2007	23471250061.839832
2008	27865210060.143845
2009	28138839934.55023
2010	32491960061.218586
2011	34570000014.21199
2012	31030030075.23344
2013	33641500031.806534
2014	30735100080.896175
2015	28279369908.928883
2016	28569640026.859943
2017	31655410103.891056
2018	32268100072.1939
2019	32112829921.372242
2020	35725720062.59487
2021	37689820056.58373
2022	34458570039.85159