Year	current US$
1980	638.1695371752207
1981	613.9253912850795
1982	657.9777618860076
1983	666.4995496371282
1984	552.6220609721938
1985	428.5584214487003
1986	410.21030353459554
1987	520.6027873554657
1988	614.9856382161845
1989	615.9740808017921
1990	639.0187801244263
1991	940.6462583239871
1992	952.2989441776075
1993	878.4607890279583
1994	1001.2492661133908
1995	1070.4611510054713
1996	1061.1207191871777
1997	1267.2973085862789
1998	1275.0853388893654
1999	1218.793098402651
2000	1166.6208669708194
2001	1148.2890801701737
2002	1191.4559661321969
2003	1367.6959037079384
2004	1471.9377511751018
2005	1524.9432464718532
2006	1461.678407222975
2007	1759.150231722818
2008	1881.7925944421445
2009	1634.209999042115
2010	1992.3737744893006
2011	2161.1760772283315
2012	2438.17437981227
2013	2546.0459598783705
2014	2797.487898699909
2015	2894.9839265171586
2016	2568.6777303211206
2017	2870.5766187475115
2018	2878.8663398211856
2019	2893.490805834596
2020	2552.3494842098794
2021	2791.017014000993