Year	current US$
1988	142975114989.27667
1989	146892230953.46756
1990	176412006354.93372
1991	189664790572.8629
1992	143486714890.0677
1993	147366017154.07242
1994	126283687753.91533
1995	146594231414.8855
1996	160643540626.85727
1997	165761075868.25635
1998	181982509378.07117
1999	184306200411.45898
2000	197898556419.77264
2001	188521944285.8065
2002	202912587997.3956
2003	230872982164.96765
2004	263393279096.15854
2005	299692945663.95856
2006	346420057753.2657
2007	415334984693.8733
2008	496633861328.3064
2009	497465341124.90906
2010	531896315895.20013
2011	591742777747.2617
2012	628620524411.6969
2013	713294929217.0809
2014	754592777977.0399
2015	731613510728.3767
2016	730110290282.57
2017	769918706674.5548
2018	826940028692.8735
2019	857964225061.9355
2020	857349679569.5156
2021	949064780423.3695
2022	1030600412024.9196
2023	1182568026005.3535