Year	current US$
1970	243914279.82691118
1971	255880523.04123166
1972	289481210.6210621
1973	337128622.97753465
1974	382861454.504956
1975	427125292.87069064
1976	444536504.0896698
1977	554371962.9968486
1978	664928038.3201514
1979	797921437.1257485
1980	1011008575.6897838
1981	1010099134.1030195
1982	1043683020.8333334
1983	990261888.216023
1984	950819908.7438308
1985	980770589.3118595
1986	1213255079.746559
1987	1431144010.9343936
1988	1639312183.7290773
1989	1720753633.8999755
1990	2042366608.1318386
1991	2181225630.810093
1992	2395783281.733746
1993	2151077933.745087
1994	2372613881.6312623
1995	2958872811.2840466
1996	3174751071.9390187
1997	3088104771.4381046
1998	3238181014.4767375
1999	3348240421.8682737
2000	3305103287.9939938
2001	3412437117.251645
2002	3564871825.367548
2003	4359306472.525265
2004	5022513362.141243
2005	5309873102.160664
2006	5655501580.406751
2007	6361728553.348823
2008	7244993297.524125
2009	7033117488.032981
2010	7017805558.446922
2011	7792818705.589326
2012	7501399816.119912
2013	8040885244.359349
2014	8411552439.076733
2015	7330776887.883792
2016	7485499129.767849
2017	8098822038.899116
2018	9464045094.687809
2019	9757356220.197441
2020	9740521513.34273
2021	11035333306.36752
2022	11138518886.87133
2023	12801436022.692467