Year	constant 2015 US$
1989	1960032214882.9788
1990	2058279578841.7324
1991	2171529983748.6304
1992	2255530091536.0273
1993	2318426234562.3335
1994	2469722734471.74
1995	2492583800868.6934
1996	2607111065762.3657
1997	2756473536718.0938
1998	2800817373216.3994
1999	2764811152598.091
2000	2848199780743.226
2001	2854569749645.425
2002	2867882277399.119
2003	2900932743073.351
2004	3023906704278.8647
2005	3105724601768.709
2006	3344757716862.3354
2007	3557426917153.814
2008	3658616185303.939
2009	3584513865178.6904
2010	3825410100311.452
2011	3981862112700.6016
2012	4032574003219.343
2013	4172684244156.71
2014	4223957688690.699
2015	4267588721556.622
2016	4240216249356.47
2017	4386282005050.5127
2018	4400869578749.162
2019	4448664733633.822
2020	4147844352886.5615
2021	4317523517997.312