Year	current US$
2000	688729617.0240277
2001	869392799.5701236
2002	1039249220.8896024
2003	1267074522.2209659
2004	1516142289.5455675
2005	1576857356.0502424
2006	2554113662.02484
2007	3242734738.5710373
2008	4086841951.0766077
2009	3408969158.099472
2010	3390127918.399489
2011	3706868184.640054
2012	3382039679.4194813
2013	3617406317.8585424
2014	3686386051.800916
2015	3209796781.523495
2016	3359526732.2765355
2017	3632518306.473295
2018	4044297586.2480264
2019	3955674465.4651294
2020	3874410097.153765
2021	4278667387.4496226
2022	4651911420.146469
2023	5446519449.340875