Year	current US$
1990	637974435.391312
1991	619496153.436337
1992	703409965.820239
1993	682750313.490717
1994	751296597.918433
1995	817663682.616231
1996	863007333.314425
1997	828089794.7774
1998	678346160.894295
1999	786876905.722144
2000	769691490.268599
2001	710964459.667184
2002	748378107.830904
2003	721659809.522006
2004	754672198.117158
2005	870709699.318968
2006	1026611700.67282
2007	1249653748.86126
2008	1500964836.08836
2009	1501712657.72888
2010	1766634177.04212
2011	2033026729.1319
2012	2214252400.63789
2013	2306581796.7677
2014	2378164619.14036
2015	2386965934.49754
2016	2380176723.44786
2017	2267600131.92865
2018	2314298034.87019
2019	2471374080.09527
2020	2664334104.46431
2021	2760491772.63807