Year	current US$
1961	2720000.02861023
1966	2410000.08583069
1967	709999.978542328
1989	11710000.038146999
1990	15500000
1991	14229999.5422363
1992	16000000
1993	15550000.1907349
1994	16989999.7711182
1995	13060000.4196167
1996	15109999.6566772
1997	12359999.6566772
1998	23090000.1525879
1999	20909999.8474121
2000	22819999.6948242
2001	23030000.6866455
2002	10890000.3433228
2003	40229999.5422363
2004	30770000.4577637
2005	45360000.6103516
2006	47299999.237060495
2007	43700000.762939505
2008	62430000.3051758
2009	53470001.220703095
2010	142130004.882813
2011	146729995.727539
2012	168190002.44140598
2013	159130004.882813
2014	137380004.882813
2015	50139999.3896484
2016	30790000.915527303
2017	24270000.4577637
2018	19000000
2019	20059999.4659424
2020	13890000.3433228
2021	10489999.7711182
2022	3009999.99046326