Year	constant 2015 US$
1995	8604949206141.906
1996	8499862293505.21
1997	8814223647727.432
1998	8507997490687.078
1999	8627974623493.853
2000	8913698044361.943
2001	9172058322032.512
2002	10307064295569.098
2003	10216612664229.523
2004	11623079270705.197
2005	12313015801845.797
2006	13532516821872.674
2007	15657013689966.22
2008	16723011926632.406
2009	17791916961286.613
2010	19453507049748.52
2011	20887521404688.332
2012	22060136988699.57
2013	23268315209778.133
2014	24449363654242.082
2015	25397959800102.03
2016	26672245980573.207
2017	28122135124757.17
2018	29692780387868.457
2019	30749677432461.42
2020	30226378304701.38
2021	32447740254328.42
2022	33688683686534.98
2023	35289473417093.234