Year	constant 2015 US$
2002	27761088828.686043
2003	29620526557.055344
2004	30608074916.585094
2005	32401616279.28816
2006	34915981700.60137
2007	37307726450.56031
2008	40874242718.509186
2009	42145189666.79699
2010	43948772328.56062
2011	50860568019.82635
2012	54229245761.604935
2013	61095337524.504814
2014	62852861723.12255
2015	62602554388.85217
2016	63850105275.459175
2017	65368839112.14017
2018	63343337039.59951
2019	60549825967.59636
2020	54299107910.60702
2021	55634024972.59019
2022	58418151805.92497
2023	57174238396.07167