Year	current US$
1970	10250000
1971	24440005.4306498
1972	36403436.2984674
1973	47053799.9915602
1974	92935302.4385075
1975	161333770.725871
1976	219590398.078261
1977	289558606.025568
1978	254055042.36578
1979	415594034.751912
1980	581357235.448125
1981	744346176.438353
1982	872415059.657833
1983	762580081.708088
1984	900157521.384965
1985	1090188049.20914
1986	967947896.71327
1987	1402182446.90661
1988	1054196307.41075
1989	1354300449.44411
1990	1672414983.42604
1991	2538519681.01389
1992	2324681470.43051
1993	1803906928.92641
1994	1646236098.38205
1995	1830669601.08692
1996	1961645306.1694
1997	2069617993.23216
1998	1937727735.68567
1999	2767474455.90187
2000	2379851418.47575
2001	2364940474.99359
2002	3173472931.34952
2003	3593490806.19828
2004	3597338380.5638
2005	4358064736.0032
2006	5014046319.411
2007	9523474852.43137
2008	11581876658.9705
2009	12202942945.786
2010	13024392320.4615
2011	14365275106.0241
2012	14400094305.9676
2013	15950292910.2884
2014	16323681793.6461
2015	17543298732.7005
2016	20261504991.421
2017	16087970171.3203
2018	17387546506.3455
2019	16660777436.189
2020	15006140748.094
2021	19729709613.7596
2022	17496554658.8078
2023	17298247786.0752