Year	constant 2011 international $
1993	8913543900.11081
1994	7341139914.15518
1995	6115071293.90599
1996	6482111203.12428
1997	5903431996.53986
1998	6955537937.55097
1999	6977052726.02871
2000	6627165955.70327
2001	6775591856.49644
2002	7095151572.2877
2003	8801098339.03668
2004	9463792935.2469
2005	10251314536.3872
2006	12220386575.9677
2007	12553968169.8828
2008	14140855732.7202
2009	12107884514.3566
2010	12438295059.8145
2011	13600360740.2408
2012	15117741584.8533
2013	16324036481.429
2014	15724460760.7862
2015	15822052184.2628
2016	16331266177.0382
2017	17184969699.8362
2018	17813658900.03