Year	constant 2015 US$
1991	4974197583730
1992	5083648522362.083
1993	5134579597755.716
1994	5249622058789.083
1995	5394937882212.04
1996	5523866925002.302
1997	5688418372076.712
1998	5882902677045.416
1999	6057108972135.372
2000	6288251067497.967
2001	6462688725971.271
2002	6551904863564.936
2003	6601356967567.043
2004	6745776483735.129
2005	6880288237951.065
2006	7101735305585.468
2007	7340541258875.035
2008	7458019084433.967
2009	7284712770691.401
2010	7378341981544.656
2011	7519700258243.871
2012	7510170062426.393
2013	7530695098665.203
2014	7622293517155.83
2015	7739823495331.427
2016	7864615742534.543
2017	8057365453369.81
2018	8204722894630.804
2019	8359396826420.86
2020	7851611385857.557
2021	8267263563390.738
2022	8633317103738.24
2023	8748565988570.353