Year	current US$
1990	144441779.968199
1991	201361465.163325
1992	199867441.509997
1993	212854316.737004
1994	237081273.264595
1995	288468354.919115
1996	308477319.662567
1997	331453131.442185
1998	334165805.513706
1999	390167145.01311
2000	466082058.688205
2001	543973750.869383
2002	603978261.267322
2003	666108403.320107
2004	689671750.392434
2005	721486301.034426
2006	961087250.624659
2007	1088332222.82924
2008	1108667063.01844
2009	1203845825.97378
2010	1345463713.66071
2011	1599398082.60112
2012	1881291415.40868
2013	2036822520.74762
2014	2235401533.81888
2015	2438617697.70982
2016	2590300311.83394
2017	2691411498.01904
2018	2961913110.83896
2019	3100421296.82753
2020	3149890508.54927
2021	3521955371.74067