Year	current US$
1970	1909999.9591708202
1971	2030000.0291317701
1972	2459999.93942678
1973	1620000.0122189499
1974	2499999.99441206
1975	2270000.02563
1976	2000000.0055879399
1977	1349999.99590218
1978	1980000.0097602599
1979	1209999.99530613
1980	2140000.0248104297
1981	1220000.0118464201
1982	1389999.99314547
1983	2449999.9824911403
1984	1700000.01229346
1985	1589999.97936189
1986	1910000.0113248802
1987	1330000.0037998
1988	1159999.9871105
1989	1819999.97422099
1990	2209999.97109175
1991	6340000.09857118
1992	4979999.98927116
1993	10309999.961406
1994	5439999.95663762
1995	8740000.09708107
1996	10139999.972656399
1997	8239999.96855855
1998	8499999.944120651
1999	4630000.01758337
2000	4600000.06109476
2001	4479999.98927116
2002	4389999.98569489
2003	3809999.9614059897
2004	3340000.00357628
2005	3439999.91752207
2006	2540000.00655651
2007	2730000.01907349
2008	2969999.93920326
2009	3879999.93562698
2010	3820000.05245209
2011	3280000.09059906
2012	3088830.88827133
2013	4202247.7388382
2014	5128459.87081528
2015	3917523.68211746
2016	5064333.319664
2017	4547999.97806549
2018	2831574.20158386
2019	3531000.0181198097
2020	2937000.03623962
2021	2314000.0104904203
2022	2540000.021457671