Year	constant 2015 US$
1960	18505501969.67303
1961	18575455723.425396
1962	18947815602.315807
1963	19175574135.9831
1964	18498093000.768967
1965	19347038530.102062
1966	21121083332.598915
1967	23359874482.124634
1968	23024965887.398846
1969	24869390032.26556
1970	27433382281.017807
1971	31476554156.475693
1972	33244531774.28535
1973	37663869100.34106
1974	46024449599.1121
1975	60510459757.940315
1976	60302962041.642815
1977	64586394430.70818
1978	65895692886.17635
1979	68135697472.63925
1980	65033788629.532326
1981	66948840330.18284
1982	71822334812.27248
1983	82193894987.52893
1984	86614591727.30293
1985	88096922312.19286
1986	79172004528.88843
1987	74326567996.23567
1988	74890900903.21388
1989	75085941687.72475
1990	91078616440.54845
1991	99241461293.87053
1992	103779112053.05176
1993	107032989461.59416
1994	102313066675.9209
1995	96101852556.31342
1996	99926323891.97508
1997	108287490740.26714
1998	111485419621.15538
1999	111590359270.45583
2000	123419225455.46039
2001	130968116347.08632
2002	145491817778.02957
2003	147697583641.7079
2004	160705225876.90268
2005	172137089911.43005
2006	185149828024.96048
2007	208764300579.40897
2008	201301380677.19687
2009	205466999597.959
2010	214439031525.3259
2011	223861643448.90826
2012	219646885125.53214
2013	217459538810.73206
2014	218896671273.23315
2015	218073835329.51926
2016	227476004353.30777
2017	231007452719.71756
2018	226831256140.51614
2019	216068146172.04367
2020	217241119934.35834
2021	225730618947.65308
2022	245321966153.9027
2023	253417591036.98352