Year	current US$
1972	99999.99776482586
1973	80000.0000745059
1974	399999.9947845929
1975	1799999.9858438997
1976	670000.0073760743
1977	2040000.0009685757
1978	4899999.964982274
1979	8399999.976158148
1980	8640000.024810445
1981	13719999.989494685
1982	14290000.09037555
1983	11569999.90157783
1984	12299999.91878868
1985	15729999.668896189
1986	30179999.288171504
1987	39360000.09812416
1988	43479999.898001574
1989	44340000.16190109
1990	55579999.7039139
1991	46029999.520629615
1992	71050000.35837294
1993	102669999.03693785
1994	102399998.73936182
1995	112189998.98433687
1996	100840000.92744836
1997	104800001.53183937
1998	90620000.55611134
1999	94639999.92609024
2000	83749999.22513968
2001	74430000.61810021
2002	88369999.14050099
2003	52750000.923871994
2004	46339999.28832058
2005	95300000.66757204
2006	83839999.40752989
2007	78429999.82833867
2008	73569999.21798702
2009	111560000.18119805
2010	149910001.1587144
2011	145350000.02384195
2012	122559998.98910528
2013	125319999.33719642
2014	95250002.02655786
2015	102130000.47206873
2016	113149997.35355376
2017	144269998.96764746
2018	140609999.47786337
2019	141629998.6839295
2020	159829998.25477597
2021	223299998.64101404
2022	181689996.36173242