Year	constant 2015 US$
1994	3929571910386.57
1995	4031358189043.258
1996	4156544139364.8154
1997	4186200544451.4336
1998	4144809761174.95
1999	4124316869882.029
2000	4223846285587.767
2001	4246029927438.954
2002	4241682059974.8145
2003	4298181240073.575
2004	4385324013716.4155
2005	4443786987663.38
2006	4482961751921.294
2007	4541815553600.009
2008	4397799253832.29
2009	4206116839281.988
2010	4351107528453.343
2011	4310923589820.157
2012	4355532727367.317
2013	4453989813949.279
2014	4471004900256.608
2015	4619771168713.414
2016	4674711328778.484
2017	4735180383014.234
2018	4735401891088.247
2019	4727183006402.463
2020	4560605815945.855
2021	4668101460869.029
2022	4645185377061.298