Year	constant 2015 US$
1965	5652099736.102932
1966	4558086267.02994
1967	4589112478.870564
1968	4371102123.751062
1969	4666018455.642136
1970	5500267656.28452
1971	5720093726.74169
1972	5395965682.384779
1973	5586580526.761266
1974	6221468271.72971
1975	6508958070.02549
1976	7276038207.209049
1977	7996083389.481582
1978	7386941544.088865
1979	6483378031.427569
1980	6126738565.885088
1981	7229168626.890673
1982	8495642948.709661
1983	7741765537.486252
1984	7383310600.041388
1985	6481232539.917612
1986	7549335220.964673
1987	8269215758.222285
1988	7236100009.478319
1989	9612265794.012695
1990	7668820038.2272835
1991	7565838526.235146
1992	9419835579.185417
1993	9574967686.88348
1994	9220143892.748672
1995	9773339289.064966
1996	11627336827.429562
1997	13748927264.17359
1998	14202344289.862604
1999	14249718058.147106
2000	13757826364.983162
2001	14392534719.020338
2002	14706840494.081573
2003	16262836111.006351
2004	14992021409.677675
2005	15709463781.168808
2006	17155998467.937124
2007	16235167494.514475
2008	17040469858.725428
2009	16823101324.250645
2010	17205928185.346855
2011	16853252106.890438
2012	15328077387.080313
2013	15571807074.56415
2014	16125635451.159487
2015	16323129424.242424
2016	16793298340.974297
2017	16939660225.36592
2018	16634746489.360703
2019	16385225080.86506
2020	15975592912.652954
2021	15879739359.545765
2022	16038536830.807516
2023	14771492342.536602