Year	constant 2015 US$
1986	1022.8666044907992
1987	1036.7101298439047
1988	1153.0250658352622
1989	1160.676080729808
1990	1203.481949117793
1991	1089.908356464025
1992	928.3155205509397
1993	784.578294342188
1994	627.2166835247966
1995	587.3051349040838
1996	619.6728561993085
1997	671.253009664246
1998	675.0603714173848
1999	689.4174116477664
2000	718.3372597560582
2001	749.4196877450096
2002	742.4435961795343
2003	786.351722322768
2004	831.4842214571345
2005	820.7158783228006
2006	837.1336952954526
2007	900.0254023698668
2008	966.4152404967101
2009	982.3770513038909
2010	966.1506101646938
2011	1011.3154036231425
2012	993.7372999431368
2013	1080.548096375847
2014	1101.7051954261149
2015	1121.0826959766205
2016	1146.1030786705564
2017	1177.4385899943552
2018	1197.6105752602473
2019	1226.824311556117
2020	1117.703847994617
2021	1145.567335769954
2022	1212.2337404882267
2023	1263.9874605594405