Year	constant 2010 US$
1990	4253689017994.99
1991	4387561613484.82
1992	4476017013190.19
1993	4607597369609.46
1994	4775301562457.47
1995	4932239991193.63
1996	5151384270020.86
1997	5396345051124.32
1998	5511721103915.6
1999	5656822048834.16
2000	5950134248744.72
2001	6152323486183.38
2002	6373586984959.42
2003	6653921945341.13
2004	7115183188836.42
2005	7634073497617.76
2006	8151514547990.86
2007	8853989640964.16
2008	9382958268209.73
2009	9571996907807.17
2010	10222940305849.4
2011	11041996710044.7
2012	11668592908898.2
2013	12278265955187.2
2014	12789413022892.3
2015	13184817520878
2016	13721634160123.6
2017	14399217269016.2
2018	14937141496069.5