Year	constant 2015 US$
2001	652196565.8206862
2002	780817040.0773071
2003	829192986.9140208
2004	857659695.9688979
2005	873202442.239641
2006	884532999.1491997
2007	900729677.1903124
2008	977323745.4646423
2009	1016562522.8552762
2010	1129061247.3056445
2011	1203493974.0611942
2012	1276893682.1918848
2013	1367210500.1002252
2014	1391847904.0002363
2015	1442678329.393223
2016	1514889605.3290977
2017	1594985017.225983
2018	1659932236.9689405
2019	1720783873.8373504
2020	1624790524.346251
2021	1671431729.7256992
2022	1723895849.9699783
2023	1789895677.11613