Year	constant 2011 international $
1990	6326889427.44617
1991	6167807406.97837
1992	6530025788.98083
1993	6000526118.49082
1994	2985377727.81859
1995	4036949516.45033
1996	4551486819.68486
1997	5181856478.6457
1998	5640900017.828
1999	5881358096.58584
2000	6373681315.79774
2001	6914458835.38627
2002	7826618752.39027
2003	7998990357.85798
2004	8594731116.23516
2005	9400734315.82549
2006	10268148671.3189
2007	11056903184.1173
2008	12291655581.0233
2009	13060578172.0976
2010	14018988842.62
2011	15110215757.4687
2012	16442985308.7012
2013	17218033760.0415
2014	18530835786.6663
2015	20174146111.5223
2016	21380825321.4543
2017	22676039654.0783
2018	24642434019.2893