Year	constant 2011 international $
1990	13252474252.3232
1991	13348298789.6591
1992	14549856260.5262
1993	14664092209.3793
1994	15484360974.997
1995	15785832770.6148
1996	16018360290.7154
1997	16331767546.012
1998	18867831110.5002
1999	18132583566.2748
2000	18638223073.2057
2001	19661418334.7642
2002	20849447377.8833
2003	21621603019.2619
2004	22327423860.5636
2005	23539653868.6899
2006	24568283761.9924
2007	25577163120.3754
2008	27747273699.491
2009	26404812092.7554
2010	27273341769.16
2011	28202168691.1461
2012	26538643283.4741
2013	24760951878.5807
2014	24644431042.5234
2015	26326021864.8944
2016	26703595073.306
2017	27693127841.5351
2018	28763472715.5066
