Year	current US$
1990	1575287.86878069
1991	1665202.95618526
1992	1607512.93439676
1993	1542422.58505076
1994	1610805.43910472
1995	1681585.53476961
1996	1591730.23561696
1997	1655610.04716376
1998	1711914.98726284
1999	1597590.67566787
2000	1670545.01321937
2001	1552547.2732626
2002	1612220.91853229
2003	1470901.80784587
2004	1544370.51757934
2005	1628637.24329778
2006	1226189.45984215
2007	1030129.90225186
2008	1073509.56318738
2009	1104699.05469294
2010	1143129.67821489
2011	1193135.45595818
2012	1242801.91383194
2013	1616269.3265797
2014	1683537.87293264
2015	2086369.09058223
2016	2154693.20884812
2017	2619196.50860726
2018	2350724.68604529
2019	2446735.19187689
2020	2482792.47785917
2021	2607668.17385477