Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	0
1965	309999.994933605
1966	679999.977350235
1967	719999.97831881
1968	2460000.04932284
1969	3299999.96721745
1970	7180000.22880733
1971	3029999.9732524203
1972	230000.004172325
1973	5559999.90552664
1974	4409999.9666214
1975	11390000.2110749
1976	6599999.85434115
1977	5740000.11570752
1978	7020000.10386109
1979	11800000.3248453
1980	6430000.01832843
1981	14200000.2730638
1982	10299999.8144805
1983	6259999.98673797
1984	4350000.15608966
1985	4739999.99091029
1986	23900000.154972102
1987	44530000.4221499
1988	16269999.9175966
1989	25130000.226199597
1990	44669998.772442296
1991	33619999.8930097
1992	29919999.0741909
1993	33739999.845624
1994	27169999.0332127
1995	30340000.7486343
1996	34439999.0178645
1997	36240000.3671646
1998	42490002.0752102
1999	52329998.2305616
2000	57319999.9071658
2001	33060000.2929568
2002	20909999.480471
2003	49580001.6149879
2004	36629998.9633262
2005	52079999.8082221
2006	87239998.7615645
2007	98439998.9638478
2008	112469998.504966
2009	70489999.5196611
2010	113900000.92796999
2011	81940000.1168251
2012	101860000.023618
2013	154209999.570623
2014	161470002.85610598
2015	125950001.088902
2016	134100002.86996399
2017	257939999.077469
2018	174460001.64747202
2019	206570000.084117
2020	171289999.33973
2021	219720003.068447
2022	164629999.17566773