Year	current US$
1990	38998092964.96407
1991	27302313498.659973
1992	33914600106.119564
1993	39861942407.29942
1994	48071437866.94459
1995	61991070082.89375
1996	70643391833.547
1997	64754941858.63098
1998	67016405833.73605
1999	65485027133.98053
2000	62980865644.9586
2001	68689152559.30613
2002	83286243150.28743
2003	101609273636.0736
2004	119063533568.35461
2005	133950094751.51727
2006	152009860326.78928
2007	185576558242.21307
2008	231699362102.1925
2009	199357603734.984
2010	202678465304.4127
2011	220883160427.78186
2012	198908747286.42572
2013	199631504766.93372
2014	196098952185.9569
2015	176860328268.71286
2016	181300659099.35565
2017	202184488585.32162
2018	234213323413.5731
2019	237424238790.34985
2020	229373186415.48456
2021	273446093996.26306
2022	287713490602.38904
2023	313993280200.6184