Year	current US$
1974	2660000.08583069
1975	3789999.9022483844
1976	2100000.053644176
1977	3519999.980926513
1978	6049999.7138976995
1979	8749999.932944769
1980	15119999.788701527
1981	9419999.865815043
1982	6959999.842569237
1983	5750000.119209293
1984	11449999.926611776
1985	12820000.08039177
1986	7769999.880343666
1987	7260000.064969061
1988	12409999.925643198
1989	13340000.048279747
1990	12490000.020712629
1991	9909999.89956617
1992	9790000.105276702
1993	7649999.873712655
1994	17170000.19736588
1995	23019999.95857481
1996	43000000.998377755
1997	13380000.080913303
1998	17329999.73371623
1999	7129999.900236724
2000	6720000.168308618
2001	10079999.88831579
2002	23039999.926462818
2003	4269999.934360388
2004	14130000.034347195
2005	7729999.912902716
2006	14700000.17620624
2007	17790000.20213426
2008	19249999.055638954
2009	27709999.350830868
2010	29209999.131038822
2011	23770000.208169233
2012	20640000.194311116
2013	20370000.518858463
2014	15530000.30852854
2015	4059999.935328962
2016	10780000.256374482
2017	9959999.646991493
2018	25639999.54238533
2019	17459999.719634607
2020	5309999.9893456735
2021	7300000.077113504
2022	13070000.171661373