Year	current US$
1960	3757510945.838322
1961	3608729973.2566867
1962	3525370421.2428627
1963	3988596286.231075
1964	4840129937.815328
1965	5420481249.303976
1966	5382494618.006537
1967	5926969666.603161
1968	6253021585.2395115
1969	6733130397.471029
1970	7960309625.218843
1971	9250799905.129057
1972	8786518855.938139
1973	11082599681.027773
1974	16075731328.235563
1975	17051776715.7392
1976	15138727756.232075
1977	15412020464.733093
1978	18894128333.664986
1979	21688256102.43215
1980	37964472429.18198
1981	41669420539.680305
1982	34892350720.5596
1983	30564799574.936142
1984	30097591714.42352
1985	25146415196.99984
1986	27510057589.790165
1987	32565512448.072243
1988	37685374516.88451
1989	38527779937.15234
1990	39835348544.582634
1991	39292487770.11392
1992	41475176571.41467
1993	40552830269.3622
1994	45749390149.16775
1995	55751272905.93021
1996	57473323858.88313
1997	61700913337.85113
1998	57896995017.40833
1999	54687027172.79273
2000	57528056496.58734
2001	57393252037.056595
2002	59287609442.041306
2003	78503833113.0445
2004	100981716564.27281
2005	121459831604.5676
2006	146289191342.3473
2007	172211176699.48148
2008	208642842063.1894
2009	180341000533.28687
2010	207871517298.50595
2011	258432311728.81998
2012	276327857123.3678
2013	283924544523.23956
2014	285036427922.527
2015	251526877271.80505
2016	215165148056.27472
2017	232174835573.90625
2018	258153580703.47443
2019	248324004398.74374
2020	205711605243.9193
2021	260865886971.92764
2022	317959759624.1368
2023	297921491870.28625