Year	current US$
1975	70000.00029802331
1976	159999.998286367
1977	490000.00581145246
1978	1350000.016391281
1979	2299999.9709427347
1980	3799999.9187886696
1981	3390000.110492105
1982	4079999.914392828
1983	3740000.0765919657
1984	3529999.9229609915
1985	3100000.0517815356
1986	4030000.1110881586
1987	4679999.832063911
1988	3640000.028535724
1989	3340000.0352412434
1990	3519999.8952448415
1991	3350000.1039355947
1992	4669999.985024329
1993	5289999.90411103
1994	5959999.827668067
1995	8789999.829605222
1996	9460000.39763749
1997	9120000.077411536
1998	8789999.833330514
1999	9869999.757036567
2000	11310000.164434316
2001	12669999.592006203
2002	15059999.819844924
2003	17419999.640434977
2004	20939999.69586733
2005	19399999.68931075
2006	25629999.510943882
2007	29640001.013875
2008	32550000.2875924
2009	25190000.277012557
2010	22210000.138729833
2011	20920000.59038398
2012	17129999.361932248
2013	3230000.1196563197
2014	2520000.0088661904
2015	1420000.0297278166
2016	739999.9909102921
2017	409999.9926984315
2018	519999.9846518038
2019	740000.0076740978
2020	589999.9849498265
2021	360000.00312924414
2022	410000.0150501729