Year	constant 2010 US$
1990	7693258824.17647
1991	7218525697.65263
1992	6744615144.06165
1993	6240841539.55727
1994	6131117174.18218
1995	6062771913.08115
1996	6134622058.78804
1997	6222959471.505
1998	6433216821.47849
1999	6712355895.07113
2000	7017710078.96866
2001	6802458901.68212
2002	6904064881.54553
2003	7057514742.02549
2004	7387414384.86513
2005	7736376122.17433
2006	8133795710.16142
2007	8660335906.47652
2008	9134229607.6711
2009	9101472903.22735
2010	9407168702.4313
2011	9627285730.14823
2012	9583392749.46174
2013	9863680783.27402
2014	10221697015.4563
2015	10615805818.6144
2016	10918190832.9895
2017	10944451376.2916
2018	11236076339.9726