Year	constant 2010 US$
1991	595793414437.736
1992	579213275775.781
1993	534794874048.024
1994	551306778361.991
1995	549464543676.05
1996	534385481204.345
1997	555878254524.971
1998	561882585774.458
1999	568091620067.906
2000	609371387474.946
2001	617627346254.052
2002	604799911311.966
2003	610531318413.749
2004	633320491369.152
2005	643486905937.941
2006	697594121531.311
2007	728093391726.167
2008	713219032298.424
2009	576211110151.038
2010	682310369259.89
2011	740443212720.832
2012	723931308406.865
2013	723999529510.608
2014	763300606779.977
2015	782064151867.808
2016	818431284616.176
2017	840128760980.763
2018	847634168420.5