Year	current US$
1975	158044874.47698763
1976	170385755.81902796
1977	186560000
1978	214625429.86057478
1979	215416650
1980	215916675
1981	247833325
1982	237934513.5905206
1983	209198622.73929903
1984	254647674.0299994
1985	369035210.7527486
1986	331366833.96159095
1987	357692966.65539896
1988	396035366.1301292
1989	362787588.8074032
1990	253627621.62486959
1991	335675166.29711753
1992	371708240.5345208
1993	448254166.6666667
1994	405024489.79591835
1995	689005997.9919679
1996	650314908.2652135
1997	686691215.1499211
1998	668894269.5722356
1999	685253863.1346579
2000	833603590.5603012
2001	700700580.9523809
2002	574207919.1360463
2003	541963184.7399166
2004	854632673.2230484
2005	939504995.6965269
2006	812404033.4768066
2007	1013687449.5477922
2008	1233354121.9663377
2009	1212696350.735251
2010	1832528356.7671998
2011	1537312829.6144102
2012	1979457629.8281746
2013	1812636589.034658
2014	2128748377.3554075
2015	1857573630.3478577
2016	893375234.2495666
2017	3761886315.0581493
2018	4897724412.487436
2019	5231650468.231553
2020	1912190491.2224197
2021	2353163700.010836
2022	2711366160.245016
2023	3030333064.0246115