Year	current US$
1995	17615062817.440216
1996	19272373870.79798
1997	21077113012.483505
1998	23135333526.356064
1999	23227950634.35494
2000	26081537032.21201
2001	26477222753.461018
2002	28256010101.704624
2003	31057935060.43337
2004	35700322357.90228
2005	39174215806.008575
2006	43968426504.51899
2007	51706369432.57171
2008	59815646200.12647
2009	67725783104.07577
2010	70928257543.6649
2011	80862747813.51437
2012	84725531294.96138
2013	91770625411.4734
2014	100844059788.20712
2015	102902526755.4714
2016	125593627659.56535
2017	138183908286.48758
2018	153356381749.5661
2019	167215404545.69717
2020	169982775392.96432
2021	186617957902.3887
2022	208863047688.71133
2023	210091861094.20084