Year	current US$
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	1939173.01306441
1991	1297248.4797094
1992	199289004.410472
1993	483285748.249257
1994	408349689.254814
1995	362296395.374886
1996	451964068.241163
1997	281004021.317251
1998	139982980.148611
1999	275904816.161224
2000	432049467.923249
2001	237346992.51267
2002	200415837.945236
2003	245238815.494008
2004	307815212.157021
2005	528260258.760102
2006	619655951.859428
2007	612153380.486058
2008	916923280.199275
2009	421178881.603418
2010	590126283.286672
2011	765289971.433563
2012	562813369.45174
2013	572222780.814652
2014	1283987576.30967
2015	1544975006.66736
2016	1136954338.52943
2017	1339751985.21592
2018	1588798390.02141
2019	1708613474.17439
2020	1302978184.13171
2021	2388830784.35707