Year	current US$
1976	1399999.976
1977	1700000.048
1978	1799999.952
1979	1700000.048
1980	1500000
1981	3099999.905
1982	1200000.048
1983	2299999.952
1984	6800000.191
1985	5099999.905
1986	7599999.905
1987	14699999.81
1988	22399999.62
1989	30200000.76
1990	62259349.82
1991	65318412.78
1992	63823406.22
1993	57867332.46
1994	47506656.65
1995	36237520.6608452
1996	33295455.4891571
1997	40944767.0785818
1998	28931171.3145359
1999	31124489.1614076
2000	35754208.0521449
2001	39346088.8658927
2002	64770700.6393803
2003	48980941.9668496
2004	60964373.106352
2005	65772992.7924708
2006	80288820.3808131
2007	110013685.231762
2008	120129225.974026
2009	94048513.5152017
2010	135558471.221779
2011	150920465.815709
2012	154533791.442002
2013	207340817.940198
2014	217728298.692128
2015	216941558.526622
2016	209082092.736107
2017	188417947.785472
2018	174374357.350022
2019	185470999.436637
2020	167334738.001619
2021	190285765.861295
2022	191368279.629556
2023	206139112.315794