Year	current US$
1977	2523530415.23322
1978	3515577618.6483
1979	4237298721.20396
1980	4885194023.66815
1981	4696206438.48386
1982	4732906200.03756
1983	4625223803.81178
1984	4526567410.75604
1985	4842244493.05591
1986	6546717932.6953
1987	8182717401.63067
1988	9226406068.47536
1989	9107760571.542091
1990	11092519494.17816
1991	10985766374.513979
1992	11776086785.717285
1993	11431031814.972298
1994	12644200066.16988
1995	14899358984.272316
1996	15557408430.352537
1997	13978720230.136505
1998	14951694570.192331
1999	14759795907.846676
2000	35702623646.11988
2001	35478308894.76451
2002	37594008665.84216
2003	43987970805.579155
2004	54833650723.42761
2005	59341323269.722626
2006	61369862533.361206
2007	70948336580.99255
2008	79588937488.8022
2009	83137892666.72316
2010	88947770720.7547
2011	107690378369.7857
2012	110991657522.47873
2013	116266210935.43459
2014	126451600859.67996
2015	121814942030.20886
2016	125681943396.05815
2017	134996815273.3724
2018	140517879840.78177
2019	141695143463.45428
2020	139684563939.66626
2021	158790062138.56845
2022	160580271117.61078
2023	192149172009.44656