Year	current US$
1991	280000.001192093
1992	5570000.17166138
1993	30159999.8474121
1994	46330001.8310547
1995	33389999.3896484
1996	69940002.44140631
1997	52930000.3051758
1998	42479999.5422363
1999	59080001.8310547
2000	47459999.0844727
2001	67709999.0844727
2002	55729999.5422363
2003	52130001.0681152
2004	49919998.1689453
2005	56290000.9155273
2006	55330001.8310547
2007	53319999.6948242
2008	53209999.0844727
2009	61169998.1689453
2010	24930000.3051758
2011	84519996.6430664
2012	83849998.4741211
2013	93739997.8637695
2014	55700000.762939505
2015	57060001.373291
2016	12560000.4196167
2017	72510002.1362305
2018	54400001.5258789
2019	65980003.356933594
2020	183089996.33789098
2021	107120002.746582
2022	140339996.33789098