Year	current US$
1975	32200000.000000004
1976	31200000
1977	21000000
1978	27200000
1979	30110000
1980	41110000
1981	6120000
1982	3000000
1983	1900000
1984	4099999.9999999995
1985	18790000
1986	16690000.000000002
1987	11690000
1988	10790000
1989	6290000
1990	2500000
1991	1000000
1998	18720000
1999	20330000
2000	28810000
2001	35560000
2002	14260000
2003	27140000
2004	117510000
2005	204790000
2006	299700000
2007	362900000
2008	372540000
2009	374890000
2010	377750000
2011	417470000
2012	421060000
2013	487120000
2014	451840000
2015	440890000
2016	662950000
2017	679460000
2018	759180000
2019	761030000
2020	811950000
2021	971220000
2022	3481280000