Year	current US$
1990	4683489399.293286
1991	4910647959.183673
1992	2430500491.0626597
1993	2769260000.0000005
1994	3729845767.4739285
1995	4911630553.15437
1996	5124036809.915691
1997	4692583479.156459
1998	4711867832.04273
1999	4698606519.284407
2000	4311143077.537468
2001	4194915150.2312717
2002	4779098586.674531
2003	5725664054.686387
2004	6788756422.721723
2005	7274131683.705538
2006	8025488093.494648
2007	9825369954.006296
2008	12398918755.547089
2009	11429284085.298208
2010	11128807948.957384
2011	12482674695.757992
2012	11837211123.349743
2013	12771885591.445797
2014	13317963161.849943
2015	11697213077.930374
2016	12258170727.713882
2017	12872626074.037466
2018	14264004058.716904
2019	14340985527.92499
2020	13930675098.452145
2021	16217025022.264912
2022	16578251465.247814
2023	16755733978.94667