Year	constant 2015 US$
1995	4537865561.166401
1996	4785962629.126166
1997	5148903157.368745
1998	5252168850.637886
1999	5414084504.818355
2000	5922180385.51562
2001	6229175945.274214
2002	6564286561.681244
2003	6940722095.212494
2004	7341018812.969525
2005	7607787873.365619
2006	8140856670.205072
2007	8855287553.658978
2008	8953494977.65976
2009	7558247013.286324
2010	8036022125.70859
2011	8295295317.01562
2012	8057477885.987495
2013	7997882620.093355
2014	8359913347.76562
2015	8595370844.875385
2016	9073413349.904291
2017	9776500573.564447
2018	10095906035.004683
2019	10922938053.189447
2020	10601470007.285542
2021	11738530993.47187
2022	11354187961.569136
2023	11443714556.713667