Year	current US$
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	3300000.07152557
1988	6200000.10728836
1989	24020000.431686603
1990	92590000.8119643
1991	142099997.52976
1992	246350001.66296998
1993	98269999.647513
1994	85060002.1891296
1995	90680001.1843443
1996	72879997.998476
1997	100800000.322983
1998	133930000.32194002
1999	63869999.218732096
2000	36949999.442324
2001	90749998.6253679
2002	94510001.4936179
2003	126190000.60856299
2004	209590000.068769
2005	319239995.608106
2006	464539998.330176
2007	386770001.18047
2008	596320003.876463
2009	589699996.747077
2010	462649988.779798
2011	405860007.762909
2012	92620001.2043118
2013	88229999.88496299
2014	61720000.6041676
2015	23900000.289082497
2016	63119997.9186058
2017	93439998.164773
2018	73230002.5522709
2019	77340001.1956692
2020	37270000.9346008
2021	68120000.526309
2022	68439999.52077866