Year	constant 2015 US$
1971	88731862.74632914
1972	98094835.21439078
1973	104784811.82777444
1974	104784811.82777444
1975	104112829.74553442
1976	110787884.25440982
1977	149494195.29431313
1978	159887570.70647928
1979	163904551.46518493
1980	151590424.32984683
1981	152316536.6313593
1982	160231027.98474035
1983	162022987.11722958
1984	161127017.92075878
1985	159036398.93285468
1986	229968099.0392264
1987	380791346.76328516
1988	468896014.48044664
1989	512201703.88537717
1990	615388678.7463291
1991	623452494.8425307
1992	640625452.0835466
1993	646449303.709476
1994	674822000.3436627
1995	701552052.2184069
1996	718724999.0896491
1997	758297424.7472329
1998	770243839.7033755
1999	779950269.4496982
2000	791448679.0680578
2001	797506545.3794893
2002	846755473.6161889
2003	875159891.3884512
2004	873201383.3188483
2005	898763684.5954144
2006	1018233506.4231124
2007	1108416712.341693
2008	1063576960.0788529
2009	1019413980.7337517
2010	1131377361.8073733
2011	1150203769.1121385
2012	1171772089.7883031
2013	1209143572.4344504
2014	1265602635.5084655
2015	1288616751.5278945
2016	1307660882.603511
2017	1348933598.5931306
2018	1340415389.378481
2019	1412119948.726687
2020	1270256890.716479
2021	1525713022.7122662
2022	1515897793.2991607
2023	1534202586.364938
