Year	constant 2015 US$
1995	7335458199551.42
1996	7353080255587.095
1997	7666304659936.598
1998	7337116607614.632
1999	7449694744894.363
2000	7715340613192.587
2001	7965884858733.284
2002	8971649878454.22
2003	8974391116346.11
2004	10073578155685.205
2005	10746366886172.355
2006	11950744995438.24
2007	13761393783569.744
2008	14353483458635.643
2009	14951498224597.357
2010	16133243845166.89
2011	16892790981359.516
2012	17884404194934.51
2013	18644449434107.32
2014	19534533415613.316
2015	20330730304191.336
2016	21264482082623.176
2017	22450802199104.67
2018	23207073432711.625
2019	23933997948317.246
2020	23313106218018.156
2021	24733696303979.234