Year	current US$
1962	25428571.42857143
1963	26666666.666666668
1964	27809523.80952381
1965	30111111.111111112
1966	36452380.952380955
1967	38349206.34920635
1968	43063492.06349207
1969	50246031.746031746
1970	53555555.55555555
1971	56420634.92063492
1972	61658730.15873016
1973	64841269.84126984
1974	73230550.9952381
1975	95015873.01587301
1976	106452380.95238096
1977	129785714.28571428
1978	170634920.63492063
1979	196111111.1111111
1980	275650793.6507937
1981	385912698.4126984
1982	384352941.1764706
1983	410693166.3630137
1984	300637883.3853098
1985	219212234.74018607
1986	254555523.79203716
1987	291434981.1227545
1988	267221675.25
1989	308072127.0024616
1990	358313782.0214669
1991	463735757.6214911
1992	574970987.1359062
1993	628535641.2314396
1994	699199577.8995779
1995	803934030.2187446
1996	942251995.5659492
1997	1014854277.1344347
1998	952981406.0935489
1999	874043905.9719723
2000	921442494.0410458
2001	805499608.760987
2002	604260241.9239153
2003	610415711.0769355
2004	730229810.2962886
2005	871769497.8776402
2006	1115244964.4200652
2007	1369839598.46683
2008	1828930990.7914476
2009	2042608387.9172218
2010	2470211218.2429857
2011	3396088253.7723584
2012	3901281960.533728
2013	4350530703.055555
2014	4663184775.902837
2015	4274100576.205929
2016	4100869269.6895704
2017	4331675874.825712
2018	4634065895.779362
2019	4530662824.418988
2020	4480212131.832575
2021	4799553974.471266
2022	4975248962.691732
2023	5162633990.332446
