Year	current US$
1977	140000.000596046
1980	819999.992847443
1981	490000.009536743
1982	379999.99523162795
1983	639999.985694885
1984	409999.99642372096
1985	340000.00357627904
1986	100000.00149011599
1987	79999.9982118607
1988	1019999.98092651
1989	959999.978542328
1990	1200000.04768372
1991	779999.971389771
1992	910000.026226044
1993	1159999.9666214
1994	2109999.89509583
1995	2480000.01907349
1996	1899999.97615814
1997	2180000.0667572
1998	1419999.95708466
1999	1039999.96185303
2000	1110000.01430511
2001	2720000.02861023
2002	3200000.04768372
2003	2210000.03814697
2004	1250000
2005	1019999.98092651
2006	850000.023841858
2007	1200000.04768372
2008	1289999.96185303
2009	1580000.04291534
2010	1700000.04768372
2011	1710000.03814697
2012	1593894.95849609
2013	1497305.9892654398
2014	1242753.86333466
2015	1145870.68557739
2016	988329.589366913
2017	914940.595626831
2018	1083920.00198364
2019	1609127.28309631
2020	1744510.0545883202
2021	1872979.40254211
2022	1968809.96227264