Year	current US$
1975	70000.00029802331
1976	159999.998286367
1977	490000.00581145246
1978	1350000.016391281
1979	2299999.9709427347
1980	3809999.918565152
1981	3400000.1102685877
1982	4089999.9141693106
1983	3770000.0759214135
1984	3529999.9229609915
1985	3100000.0517815356
1986	4060000.1104176063
1987	4709999.831393358
1988	3660000.0280886893
1989	3350000.035017726
1990	3519999.8952448415
1991	3350000.1039355947
1992	4689999.984577294
1993	5339999.9029934425
1994	6039999.825879928
1995	9079999.834299088
1996	9620000.399649147
1997	9410000.078380112
1998	9029999.826103449
1999	10179999.755695462
2000	11650000.153109433
2001	12809999.590739604
2002	15629999.816417657
2003	18089999.627321955
2004	21679999.712854654
2005	19879999.702796303
2006	26189999.505877487
2007	30200001.023709767
2008	33150000.276044
2009	26050000.26896593
2010	22350000.137463234
2011	21080000.5868077
2012	17129999.361932248
2013	3260000.1189857675
2014	2650000.0040978184
2015	1530000.0291317706
2016	739999.9909102921
2017	579999.9944865705
2018	519999.9846518038
2019	740000.0076740978
2020	3119999.9544769544
2021	639999.9968707564
2022	710000.0046193602