Year	current US$
1977	9999.99977648258
1980	769999.980926514
1981	889999.985694885
1982	769999.980926514
1983	560000.002384186
1984	509999.99046325695
1985	409999.99642372096
1986	310000.002384186
1987	479999.989271164
1988	400000.00596046395
1989	660000.026226044
1990	889999.985694885
1991	479999.989271164
1992	449999.988079071
1993	209999.993443489
1994	839999.973773956
1995	1279999.97138977
1996	629999.995231628
1997	970000.028610229
1998	620000.004768372
1999	460000.00834465
2000	550000.011920929
2001	649999.976158142
2002	620000.004768372
2003	670000.016689301
2004	1039999.96185303
2005	779999.971389771
2006	920000.016689301
2007	899999.976158142
2008	1129999.99523163
2009	1129999.99523163
2010	1039999.96185303
2011	930000.007152557
2012	802914.023399353
2013	757547.02091217
2014	979048.788547516
2015	791314.423084259
2016	861502.408981323
2017	644242.465496063
2018	818300.0087738041
2019	1006669.28291321
2020	1191969.99073029
2021	1118070.24478912
2022	1203379.98867035