Year	current US$
1972	70000.0002980232
1973	39999.9991059303
1974	29999.999329447703
1975	70000.0002980232
1976	70000.0002980232
1977	360000.01430511504
1978	170000.00178813902
1979	280000.001192093
1980	319999.99284744303
1981	419999.986886978
1982	349999.99403953605
1983	319999.99284744303
1984	490000.009536743
1985	870000.004768372
1986	899999.976158142
1987	1769999.98092651
1988	1730000.01907349
1989	1659999.9666214
1990	1710000.03814697
1991	2130000.1144409203
1992	1360000.01430511
1993	1590000.0333786
1994	1580000.04291534
1995	1600000.02384186
1996	1980000.01907349
1997	2440000.05722046
1998	2029999.97138977
1999	2269999.98092651
2000	1700000.04768372
2001	1539999.96185303
2002	1559999.9427795399
2003	2130000.1144409203
2004	2049999.9523162802
2005	1679999.94754791
2006	2079999.9237060498
2007	2410000.08583069
2008	3630000.1144409203
2009	5329999.92370605
2010	2880000.1144409203
2011	12899999.6185303
2012	12579999.923706101
2013	6760000.228881841
2014	15890000.3433228
2015	13609999.6566772
2016	11180000.3051758
2017	12600000.3814697
2018	13659999.8474121
2019	10609999.6566772
2020	14899999.6185303
2021	23729999.5422363
2022	11659999.8474121