Year	current US$
1993	3844991731.4537444
1994	3935087844.1364536
1995	4355145798.092935
1996	4730316447.521341
1997	4905926906.444545
1998	5514726452.831339
1999	5603260783.943356
2000	5472116465.493412
2001	5947902604.95927
2002	6978783083.733634
2003	9301313233.965672
2004	11465094409.937887
2005	13457655764.208431
2006	16082181658.512106
2007	20706693128.93512
2008	23069137249.157757
2009	19034731869.96388
2010	18473734528.308964
2011	22028387855.05841
2012	22063932819.843754
2013	24507230930.431442
2014	25876006876.548927
2015	22387751107.03124
2016	23537298481.75103
2017	26262150181.882397
2018	29976050226.90194
2019	30681549837.64701
2020	30896975845.136272
2021	36275709776.356
2022	36987912194.94178
2023	39377296254.03371