Year	constant 2015 US$
1995	4139323472.128518
1996	4469823966.836626
1997	4821139835.049032
1998	4814632082.217262
1999	4014237733.782558
2000	4659279955.016322
2001	4869954550.501858
2002	5256425451.966322
2003	6045462120.468875
2004	6261126945.798382
2005	7177316639.13012
2006	7814554291.617147
2007	8416888554.846343
2008	8918855840.963114
2009	7616043234.116293
2010	8315920612.323323
2011	9006502698.770922
2012	9096578956.522102
2013	9676509845.47505
2014	10170683960.46111
2015	9774576383.049105
2016	10022127633.971783
2017	10553781188.378384
2018	11238671642.695213
2019	11642832612.857994
2020	10779680297.520576
2021	12537853645.393997
2022	12152748833.11039
2023	11775063756.894058