Year	constant 2010 US$
1991	241981063.596986
1992	222847748.971606
1993	210229673.93366
1994	197510866.413429
1995	212970946.301017
1996	253147466.021756
1997	333529194.878286
1998	381722541.666437
1999	437708790.418485
2000	503973847.305976
2001	678856266.433177
2002	738193307.328821
2003	864035244.650939
2004	978094844.362196
2005	999038471.00451
2006	1028554875.19775
2007	1060137872.76133
2008	1030887788.73498
2009	1030896102.70907
2010	1063143253.4062
2011	1085426224.0469
2012	1085969768.7161
2013	1130996183.17487
2014	1160171357.67426
2015	1264530640.53049
2016	1313438595.10687
2017	1318013070.83996
2018	1350359967.51052