Year	constant 2015 US$
2000	6837935990.14559
2001	6589020820.816746
2002	6365281774.7040825
2003	7001636095.566772
2004	7221187124.087368
2005	7704177932.534018
2006	7666754085.566949
2007	7834740625.264906
2008	7988925341.75272
2009	7828499882.846212
2010	8255194177.864429
2011	8113679231.924084
2012	8224229190.57201
2013	8389101822.554953
2014	8714789466.60307
2015	10008272394.354473
2016	10106024986.758968
2017	10406305418.621197
2018	11265197638.806396
2019	12162358371.094803
2020	11717792576.224504
2021	12737438077.715488
2022	14470498803.906763
2023	14203807625.363998