Year	constant 2011 international $
1990	20314345858.2032
1991	17590777165.5025
1992	22522634593.3028
1993	22266219049.019
1994	22713743868.4263
1995	22692950533.07
1996	24570751818.9343
1997	25954618928.8381
1998	27787763366.3201
1999	28491104085.9352
2000	32551687182.2375
2001	34230681310.5097
2002	33884032873.1227
2003	34197820041.4051
2004	37814520285.6112
2005	43305143085.6771
2006	45694063186.1214
2007	50113703096.6473
2008	54299964627.6918
2009	52805605247.9392
2010	48493044546.9728
2011	52057487757.8394
2012	57267121010.825
2013	62350997930.1667
2014	61868969696.5898
2015	64382396758.6298
2016	64533724571.36
2017	67081760760.0141
2018	66272451872.9093