Year	constant 2015 US$
2001	3129377027.7295337
2002	3133496947.9296823
2003	3251951123.0463214
2004	3358257099.4765477
2005	3375907066.656942
2006	3750433468.8149767
2007	3948718668.339924
2008	4021903261.3044734
2009	4041731781.8826313
2010	4713316737.2758045
2011	4679198390.03206
2012	4769686730.424838
2013	5187462804.617857
2014	5837104159.614626
2015	6712328282.497502
2016	7141068431.819366
2017	8789417533.54704
2018	9827567054.339964
2019	10942613669.879013
2020	9965438269.80763
2021	10941752257.3868
2022	11313771833.663939
2023	10182394650.297543