Year	current US$
1974	29999.999329447703
1975	9999.99977648258
1976	19999.9995529652
1977	110000.00312924391
1978	170000.0055134292
1979	279999.9974668025
1980	559999.9707192187
1981	1260000.0090897053
1982	550000.0081956381
1983	770000.0293552872
1984	609999.9882280821
1985	1149999.9854713706
1986	2219999.9038130064
1987	2399999.922141428
1988	2570000.0189244784
1989	910000.0131875279
1990	1880000.0138580822
1991	6520000.111311676
1992	2660000.011324889
1993	5849999.88414347
1994	3470000.0118464287
1995	4249999.932944766
1996	5860000.070184477
1997	4739999.9964982215
1998	5479999.920353299
1999	4670000.094920393
2000	4020000.075921416
2001	5090000.057592989
2002	9620000.295341007
2003	18829999.942332495
2004	21570000.013336506
2005	22809999.944642134
2006	40070000.12695793
2007	55329999.55862767
2008	48329999.31275849
2009	34329999.39098956
2010	30170000.45254823
2011	35130000.7030368
2012	28950000.209733825
2013	38569999.82520935
2014	41479999.42302707
2015	38160000.62227249
2016	42500000.03911557
2017	38789999.6135384
2018	47239998.87704849
2019	48629999.252036184
2020	49969999.43070115
2021	55159999.98152254
2022	61239999.67984852