Year	current US$
1977	1240000.0095367401
1980	1399999.97615814
1981	910000.026226044
1982	689999.997615814
1983	800000.011920929
1984	730000.019073486
1985	779999.971389771
1986	709999.978542328
1987	529999.971389771
1988	870000.004768372
1989	860000.014305115
1990	959999.978542328
1991	819999.992847443
1992	1039999.96185303
1993	1110000.01430511
1994	1509999.9904632599
1995	1980000.01907349
1996	2349999.90463257
1997	670000.016689301
1998	1269999.98092651
1999	600000.023841858
2000	360000.01430511504
2001	769999.980926514
2002	389999.98569488496
2003	479999.989271164
2004	529999.971389771
2005	379999.99523162795
2006	460000.00834465
2007	250000
2008	479999.989271164
2009	620000.004768372
2010	500000
2011	939999.997615814
2012	738474.011421204
2013	567085.027694702
2014	585559.666156769
2015	458514.660596848
2016	387585.192918777
2017	393493.801355362
2018	435099.98917579703
2019	589461.505413055
2020	708299.994468689
2021	654019.892215729
2022	748359.978199005