Year	constant 2011 international $
1990	17667920635.1018
1991	18522736818.1618
1992	18884956809.258
1993	20663372561.736
1994	20949227550.6565
1995	21441525398.6184
1996	21417139693.173
1997	21172885809.1662
1998	20678593453.2729
1999	20895237673.719
2000	21078844868.5131
2001	21362340484.8925
2002	21789008576.839
2003	22587862831.5862
2004	22886864041.3914
2005	23091426359.7959
2006	23760875754.9743
2007	24101120574.4914
2008	23905482932.8863
2009	22868785762.6335
2010	22535393531.822
2011	22924301243.0723
2012	22783335464.3111
2013	22898121884.1595
2014	23055687880.1108
2015	23264306347.2891
2016	23585506943.1807
2017	23816304389.0637
2018	24258399038.5728
