Year	current US$
1989	48149999.618530266
1990	70849998.4741211
1991	121820000.07480384
1992	192139993.05479252
1993	134760003.00981104
1994	66229999.17156993
1995	127630001.5933811
1996	101810000.99703671
1997	130700003.46191226
1998	96279999.54111882
1999	85890001.98058785
2000	57180001.674219966
2001	60609998.65829949
2002	61169999.089092046
2003	54300000.846386075
2004	754039980.629459
2005	57269999.80211264
2006	57839999.796822704
2007	56679998.73496592
2008	60970000.92640527
2009	74650000.03390014
2010	126410001.64486466
2011	241880001.8578765
2012	103689997.13473019
2013	77549999.1253019
2014	46189999.43695961
2015	26590000.290423654
2016	18650001.447647844
2017	16310000.507160973
2018	24669999.826699488
2019	20730000.453069936