Year	constant 2015 US$
1999	1927131431.6243818
2000	2097462671.1861994
2001	2256766640.8803377
2002	2327232628.4188027
2003	2317909261.258904
2004	2387758396.563632
2005	2412592941.899074
2006	2412414239.8289332
2007	2467723667.350189
2008	2409753352.8380036
2009	2495912887.5823464
2010	2539669806.143186
2011	2772957430.2516513
2012	2771320729.816141
2013	2850383192.699182
2014	2856652770.6688256
2015	3031130821.772069
2016	3210082186.40537
2017	3374824461.4616675
2018	3511752981.511724
2019	3643031198.51605
2020	3646165100.161152
2021	3895213047.6698227
2022	4027440627.5981245