Year	constant 2015 US$
2001	45856557843.44228
2002	49873644981.75564
2003	52100200050.48714
2004	53789335929.50059
2005	57470012920.34602
2006	62518817008.193054
2007	68981094236.72899
2008	71632933601.38515
2009	73834872342.181
2010	76093084758.09709
2011	85716614902.52638
2012	88288311716.55263
2013	96767329190.73958
2014	96578184994.61446
2015	95470991365.00739
2016	94934574012.73248
2017	97087715004.58337
2018	100943832385.97346
2019	105218612370.99037
2020	105572755846.65701
2021	109180835553.21663
2022	112526646970.1263
2023	108831149131.32117