Year	current US$
1972	19999.9995529652
1974	29999.999329447703
1975	119999.997317791
1976	100000.00149011599
1977	50000.0007450581
1978	19999.9995529652
1979	129999.995231628
1980	490000.009536743
1981	730000.019073486
1982	419999.986886978
1983	170000.00178813902
1984	70000.0002980232
1985	29999.999329447703
1986	620000.004768372
1987	340000.00357627904
1988	720000.028610229
1989	1139999.98569489
1990	1110000.01430511
1991	1080000.04291534
1992	1259999.9904632599
1993	639999.985694885
1994	930000.007152557
1995	1330000.04291534
1996	1320000.05245209
1997	1169999.95708466
1998	1049999.95231628
1999	1450000.04768372
2000	2740000.00953674
2001	860000.014305115
2002	620000.004768372
2003	540000.021457672
2004	589999.973773956
2005	560000.002384186
2006	709999.978542328
2007	829999.983310699
2008	759999.990463257
2009	779999.971389771
2010	1220000.02861023
2011	3680000.0667572
2012	1970000.02861023
2013	5619999.88555908
2014	3039999.96185303
2015	790000.021457672
2016	490000.009536743
2017	649999.976158142
2018	629999.995231628
2019	620000.004768372
2020	629999.995231628
2021	680000.007152557
2022	340000.00357627904