Year	constant 2010 US$
1980	509933306.882149
1981	621293296.218556
1982	623197860.844342
1983	948688792.474815
1984	878257849.113196
1985	661587567.040335
1986	570990853.191172
1987	988908323.684343
1988	1049443078.03183
1989	1136716184.43765
1990	1129030999.10305
1991	1170688746.33201
1992	1286853781.87939
1993	1239406431.90112
1994	1246621136.35923
1995	1191481691.78443
1996	1073083131.02102
1997	1093603572.52542
1998	1171953765.75664
1999	824064813.978647
2000	693927124.876941
2001	740768824.898659
2002	695741576.782676
2003	646639790.747617
2004	684213380.238956
2005	665918265.84556
2006	656978770.442326
2007	640299838.711286
2008	612138125.54669
2009	642828655.152676
2010	642961140.250232
2011	599889133.538902
2012	619182397.114789
2013	619440869.946277
2014	630740888.114674
2015	624545671.828788
2016	710028203.143662
2017	691723349.34835