Year	constant 2015 US$
1991	565475534067.8048
1992	563851036753.8463
1993	578371464651.3448
1994	588564021891.7059
1995	611713742028.271
1996	634911795169.1799
1997	657278373252.025
1998	679313136170.644
1999	699254958204.2083
2000	714478804856.8074
2001	742884956736.339
2002	765812179370.6174
2003	798886631974.9401
2004	841835981502.6311
2005	885581944693.1064
2006	945453273118.7792
2007	997335112994.535
2008	1033337797923.6124
2009	1060239614992.9283
2010	1119510210068.8374
2011	1164249718285.1824
2012	1219424928063.9631
2013	1284294364684.3506
2014	1324345715085.8853
2015	1375435909014.3977
2016	1405081358915.329
2017	1441119859525.1396
2018	1480812536216.8918
2019	1526696082017.7441
2020	1504675846130.1147
2021	1578448111870.8762
2022	1635246436126.755
2023	1670523177109.1428