Year	constant 2011 international $
1990	2271964459.39635
1991	2621208702.89236
1992	2030879089.8026
1993	2312098336.35084
1994	2757986194.26601
1995	3276307889.65346
1996	3745063105.72106
1997	3701600350.87577
1998	2080143285.51654
1999	4004541039.78102
2000	3903353018.71996
2001	4782571056.25722
2002	3535619751.18859
2003	3944992231.54638
2004	4238035842.04959
2005	4919039418.78537
2006	5135213280.62842
2007	5657221533.14371
2008	6894943052.55304
2009	7351329857.17151
2010	8837914909.81278
2011	8102525063.55733
2012	5974735486.86096
2013	7820053467.20609
2014	7106009294.15162
2015	7631776567.5274
2016	8515737736.45551
2017	5958117524.98151
2018	4756110347.60426