Year	current US$
1989	11710000.038146999
1990	15500000
1991	14229999.5422363
1992	16209999.99344349
1993	15680000.187829174
1994	17289999.777451195
1995	13260000.41514635
1996	15359999.66040249
1997	12799999.654293014
1998	23890000.173822057
1999	87109997.10112812
2000	75679998.62134458
2001	81120001.45018105
2002	86799998.81610279
2003	82919998.1689453
2004	56339999.69437717
2005	80089999.23616654
2006	85919999.23624092
2007	90470000.15154482
2008	101550001.98259953
2009	88300000.60424203
2010	175900004.72776642
2011	174689995.3447282
2012	187970001.75341937
2013	176580004.80383688
2014	155140005.18620068
2015	63159999.65742226
2016	45470000.83886088
2017	39930000.03695491
2018	35099999.80963763
2019	35419999.45417048
2020	28660000.493750032
2021	27949999.844655387
2022	15700000.140815984