Year	current US$
1965	1571904761.9047618
1966	1444444444.4444444
1967	1566517540.1710932
1968	1600876519.9457393
1969	1668485194.8711731
1970	1805879355.027597
1971	1839284012.1806223
1972	2092451078.5806727
1973	2489086489.3070927
1974	3016073395.0586495
1975	3128801228.6799774
1976	3624960368.9292407
1977	4876897390.018002
1978	5360020462.974805
1979	5997654430.376772
1980	6466349255.366627
1981	7003938395.131513
1982	7312399938.832003
1983	7247858478.901816
1984	6659458923.302007
1985	5928804136.627814
1986	6106872822.514888
1987	6570379136.272823
1988	6567825404.205523
1989	6349026195.954848
1990	8165446183.251702
1991	8664211655.059973
1992	9806729764.756874
1993	9949729970.687344
1994	12118181818.181818
1995	12966146161.387674
1996	12405340420.451998
1997	13445619929.763062
1998	13035447260.478167
1999	11216928849.678951
2000	8295343609.11232
2001	8171248522.854864
2002	8335193740.032106
2003	7882765739.743597
2004	9263161366.812891
2005	10959740182.632215
2006	11627687073.421377
2007	14301108522.693623
2008	16217185820.330639
2009	15551550762.1594
2010	18120613639.565086
2011	20405118997.77146
2012	20694526449.922085
2013	20605223942.49008
2014	20766026770.209457
2015	17552090518.081356
2016	18677655383.92049
2017	19927244054.784866
2018	20806210846.61601
2019	20708660529.00662
2020	20299052491.593307
2021	24752392169.514248
2022	30646863108.677345
2023	31755061933.27554