Year	current US$
1980	219999.998807907
1981	39999.9991059303
1982	829999.983310699
1983	649999.976158142
1984	270000.010728836
1985	280000.001192093
1986	39999.9991059303
1987	19999.9995529652
1994	649999.976158142
1995	759999.990463257
1996	349999.99403953605
1997	50000.0007450581
1998	400000.00596046395
1999	819999.992847443
2000	970000.028610229
2001	839999.973773956
2002	1179999.94754791
2003	19999.9995529652
2004	1490000.0095367401
2005	870000.004768372
2006	1330000.04291534
2007	990000.009536743
2008	219999.998807907
2009	460000.00834465
2010	469999.998807907
2011	620000.004768372
2012	709999.978542328
2013	469999.998807907
2014	860000.014305115
2015	759999.990463257
2016	550000.011920929
2017	589999.973773956
2018	740000.009536743
2019	810000.002384186
2020	1299999.95231628
2021	889999.985694885
2022	1600000.02384186