Year	current US$
1995	11485408881.399256
1996	12696336273.928658
1997	12618109678.228968
1998	13574063733.535978
1999	12785752167.30508
2000	11851692773.754988
2001	12518192768.926264
2002	14754004614.5263
2003	19845424352.699097
2004	23291677436.76944
2005	25506080786.86828
2006	28092267387.548466
2007	34278845655.722313
2008	39618277192.889565
2009	36502707305.540565
2010	35219992761.673454
2011	37783059921.4077
2012	34304584424.87836
2013	35315604916.62848
2014	35355456877.5748
2015	30196452928.913235
2016	31144748091.70445
2017	33449825404.912613
2018	36577441127.14647
2019	36528810441.79944
2020	34480319542.02327
2021	40892192524.62677
2022	43600506808.69525
2023	50594930434.58515