Year	current US$
1970	8186670.555082439
1971	8489510.543049723
1972	9930096.238839343
1973	14078894.62870563
1974	12885645.778674787
1975	14689462.801533174
1976	15403961.38438724
1977	27808007.242916927
1978	24664099.657479253
1979	22408816.91111899
1980	36495542.24991702
1981	45022336.53389379
1982	33735282.66189413
1983	25552411.054144327
1984	48241735.648128815
1985	36490902.95176349
1986	17722485.0353187
1987	51366733.51458246
1988	53186611.891938746
1989	49261011.218504414
1990	63012779.63515881
1991	66730021.041612625
1992	28841802.30290291
1993	54616172.75116843
1994	100783590.53255914
1995	77026117.29901153
1996	73982892.51111412
1997	34228134.49051923
1998	24267138.664113518
1999	48255104.989211775
2000	51238035.51807796
2001	41587831.22876112
2002	53471573.19133992
2003	66055955.28337143
2004	75293449.99838641
2005	86771562.60385935
2006	65874890.197804905
2007	83754002.65588018
2008	112096348.81287758
2009	99060618.64252117
2010	118824731.80973166
2011	223293310.78668866
2012	148143182.69534597
2013	146638162.01563215
2014	189520128.34835038
2015	288634342.9557783
2016	296013057.5205569
2017	390049715.2577663
2018	395944553.8493289
2019	401388597.89617914
2020	353021091.9565357
2021	425603146.30024755
2022	360848896.8414457
2023	352379920.0339285