Year	current US$
1992	11840000.1525879
1993	25959999.084472697
1994	66500000
1995	65080001.8310547
1996	103139999.38964799
1997	85940002.44140631
1998	160589996.33789098
1999	112629997.253418
2000	111769996.64306599
2001	162639999.38964802
2002	154699996.94824198
2003	133300003.051758
2004	228919998.168945
2005	226369995.117188
2006	206809997.55859402
2007	157720001.220703
2008	205630004.882813
2009	251770004.272461
2010	387950012.207031
2011	282130004.88281304
2012	394230010.986328
2013	390549987.792969
2014	356459991.455078
2015	432250000
2016	359730010.986328
2017	328190002.441406
2018	403750000
2019	361670013.42773396
2020	714390014.648438
2021	556090026.855469
2022	589000000