Year	constant 2015 US$
1992	5464866960.101537
1993	4389811304.3389225
1994	3135579350.961749
1995	2508463267.7769256
1996	2239699566.8287454
1997	2257617132.6924596
1998	1993476007.400642
1999	1812069678.5866125
2000	1048594109.8095436
2001	1091586427.6301725
2002	1181043266.5774257
2003	1346538418.6298442
2004	1487752428.682294
2005	1730350856.208297
2006	1886082433.2670438
2007	2078315808.495849
2008	2225937271.1341324
2009	1945205310.097178
2010	2077008247.699903
2011	2218235250.293247
2012	2321821370.967272
2013	2370421780.619999
2014	2458462219.6172543
2015	2648834040.6260614
2016	2617048108.8158393
2017	2588260472.057666
2018	2753909191.6836104
2019	3040315698.204452
2020	3356508563.192571
2021	4011372453.8790436
2022	4128249304.910946
2023	4531242353.722058