Year	current US$
1990	1018099.8739224
1991	1115880.74209591
1992	1131253.65964407
1993	1098085.06897935
1994	1477493.35440841
1995	1466117.69865456
1996	1531162.86238557
1997	1474984.41473286
1998	1311890.05906609
1999	1365178.24342782
2000	1376764.5794068
2001	1154948.88133044
2002	1115152.99332743
2003	1211992.68170116
2004	1383458.66285091
2005	1516124.12231972
2006	1662137.17096588
2007	1655596.81751546
2008	1780959.29115075
2009	1630718.61957756
2010	1875147.07515775
2011	1931039.11054518
2012	2115722.23126619
2013	1955966.75974529
2014	1820015.43355752
2015	1752812.0924306
2016	1555137.48717494
2017	1618363.29824575
2018	1681753.6725944
2019	1732191.56697384
2020	1611489.13533747
2021	1556880.4780167