Year	current US$
1970	1599999.9828636644
1971	899999.9966472385
1972	1129999.9915063365
1973	1379999.9952316273
1974	1200000.012293459
1975	1069999.9965727325
1976	4170000.1209974224
1977	2780000.0105053177
1978	2800000.049173829
1979	3799999.952316283
1980	6070000.10088086
1981	9089999.89181757
1982	10739999.828860154
1983	8659999.961033475
1984	8059999.980032444
1985	6690000.124275687
1986	4559999.972581863
1987	18919999.53985216
1988	10439999.856054781
1989	11780000.254511835
1990	12629999.920725822
1991	63900001.034140535
1992	30949999.626725882
1993	29390000.458806727
1994	15870000.414550304
1995	16930000.413209192
1996	18830000.488087554
1997	12599999.953061335
1998	23049999.69527122
1999	20410000.182688244
2000	19779999.965801843
2001	12750000.15832484
2002	13379999.902099364
2003	20329999.983310692
2004	12319999.933242787
2005	182890004.69446188
2006	30230000.272393182
2007	26600000.081583858
2008	112370002.46345994
2009	32219999.641180035
2010	32169999.644160274
2011	63230000.67472458
2012	83400000.6318093
2013	117859998.91161917
2014	134399996.7519194
2015	165890000.77545646
2016	130229999.57203865
2017	147200000.70333484
2018	136530001.19328508
2019	150819998.86035937
2020	176679999.35150158
2021	182159998.1188773
2022	181659997.7202713