Year	constant 2011 international $
1990	2212415560.49085
1991	2366545860.30392
1992	2531171427.21956
1993	2620009633.46443
1994	2776682885.47524
1995	2868061812.86503
1996	3028588258.13085
1997	3140755161.76335
1998	3189049160.63138
1999	3204229835.15318
2000	3328411262.4509
2001	3446955365.21264
2002	3471905667.72247
2003	3630216817.26961
2004	3691653670.32228
2005	3819610908.12631
2006	3981184072.59736
2007	4173593255.02658
2008	4454873974.74638
2009	4550845696.3714
2010	4827174790.76227
2011	5160314264.69005
2012	5469833618.44536
2013	5570684457.93792
2014	5744585159.41699
2015	5903518281.20165
2016	6091190326.06853
2017	5951927496.04266
2018	6039618850.12084