Year	current US$
1970	105599998.5
1971	108243904.1
1972	126869934.1
1973	175003219.6
1974	198391204.8
1975	247421447.8
1976	208277267.5
1977	242560730
1978	304236908
1979	350365570.1
1980	427576019.3
1981	446069335.9
1982	517390380.9
1983	502223754.9
1984	499334411.6
1985	605836547.9
1986	795286804.2
1987	1287891724
1988	1924740234
1989	2700931641
1990	3668683914.98404
1991	2574479989.37844
1992	2444044325.34121
1993	2297129121.3714
1994	2113071416.79229
1995	1689112684.48779
1996	1975768211.02714
1997	2028258999.68221
1998	2262866024.31912
1999	1920713138.82784
2000	1945137503.6764
2001	1897127488.54403
2002	2062457959.77807
2003	2513531860.3248
2004	2688635650.86581
2005	2587678870.0183
2006	2463936256.97349
2007	2870256849.35636
2008	14445399895.8395
2009	14402098597.2508
2010	12882879135.7864
2011	14509942723.018
2012	11821288113.6103
2013	11565682551.8043
2014	11135811955.5084
2015	8860397466.69273
2016	8677587198.87772
2017	8841573147.74545
2018	9906851587.73809
2019	9577332780.60054
2020	10194686590.9858
2021	12286886853.7518
2022	11586496052.2187