Year	current US$
1970	2585955.874118042
1971	2716989.584499944
1972	2968457.9439252336
1973	3411915.4388212687
1974	4122328.666175387
1975	4014748.0540761985
1976	3919072.229925627
1977	3669419.5916494606
1978	3798781.863297992
1979	4065659.434283767
1980	4206128.133704736
1981	4773017.531638222
1982	4118945.161646254
1983	4152550.304164717
1984	4481977.902553885
1985	3862851.8831019406
1986	4574706.211527701
1987	5020513.499205928
1988	7011059.371362042
1989	8454523.247292565
1990	9542900.901365045
1991	10127313.913235849
1992	10535028.14236866
1993	10414399.956479164
1994	11772610.657934083
1995	11922614.198466606
1996	13338597.330073725
1997	13734210.096631981
1998	13795146.209263815
1999	14800503.258274727
2000	15073975.534937706
2001	13964732.327114027
2002	16842672.59528742
2003	19456338.031822786
2004	22798274.979555093
2005	22909979.81630778
2006	24096875.463582467
2007	28450168.692764957
2008	31874434.857881963
2009	28076983.9703819
2010	32105408.47711205
2011	39196957.4908996
2012	39345579.47237578
2013	38615890.63207455
2014	38760982.65400955
2015	36811936.082458735
2016	41629064.22323883
2017	45276595.353314556
2018	48015259.87513561
2019	54123198.5662913
2020	51746594.31485426
2021	60196405.71383929
2022	59065982.08736571
2023	62280311.585217156