Year	constant 2015 US$
1980	1366877250.315381
1981	1432764973.592824
1982	1507926901.6170077
1983	1787654548.158937
1984	1737472827.5099123
1985	1468086413.5264466
1986	1299548366.9817095
1987	1579026822.0806847
1988	1570146610.1058908
1989	1690491726.0969725
1990	1877167019.3848963
1991	1967673185.5699468
1992	2170285053.560366
1993	2264956251.096754
1994	2162107077.0585217
1995	2333706659.2527432
1996	2462165714.032816
1997	2467640113.412823
1998	2589694209.47256
1999	2494346871.215314
2000	2700795144.9511714
2001	2781529751.4031997
2002	2758173736.448871
2003	2850104882.579459
2004	2939723750.7931004
2005	3140018617.570396
2006	3248817996.8470435
2007	3304785993.6811733
2008	3377008833.965204
2009	3582355144.6232195
2010	3744114433.4396577
2011	3803331433.511927
2012	3820769443.7709985
2013	3925967995.985445
2014	4010327759.3299522
2015	4120378847.1948724
2016	4164241245.9805393
2017	4325476282.023088
2018	4510772009.941799
2019	4447723225.673869
2020	4482417777.346783
2021	4619561776.35209
2022	4375282404.20904