Year	current US$
1960	1025279998.511076
1961	928289995.7858028
1962	1081220000.2577155
1963	1447789997.0076976
1964	1677769995.192066
1965	1618689983.4424286
1966	1440180017.5514066
1967	1650130017.800257
1968	1361909977.3783238
1969	1128399994.9805439
1970	1231929999.4651222
1971	1344060002.7479231
1972	1066230002.7068703
1973	1135190001.5715518
1974	1412849999.9586484
1975	2260320006.841794
1976	1601700001.4260418
1977	1468989993.6728187
1978	2088560004.8899636
1979	2404989984.279499
1980	2357200006.442143
1981	2647640017.354862
1982	2288909985.6857214
1983	2199580002.6413054
1984	2210599991.6307626
1985	2141180002.8700387
1986	3071389987.8617363
1987	3063410011.4908066
1988	3873980000.367388
1989	3823550003.536048
1990	3440479993.8071523
1991	4090199996.741488
1992	3416240018.7309833
1993	2897479997.705668
1994	3721700047.7965884
1995	3213810029.851277
1996	2972790035.1379085
1997	2488220000.375063
1998	2962260026.6244235
1999	2702790004.7283626
2000	2568139977.0919213
2001	3815290013.791989
2002	3876700001.9885592
2003	3910229991.7694216
2004	3995149954.9038754
2005	6326640061.616903
2006	6354739949.617541
2007	7164830033.427095
2008	9280510073.043406
2009	10697549929.544344
2010	13014750057.743874
2011	13726069927.6384
2012	11895840073.581793
2013	10912509948.98751
2014	10771560033.388437
2015	10372979964.992035
2016	9749390002.019697
2017	11028990019.1091
2018	10345970046.186815
2019	11079559974.895792
2020	10366379984.751331
2021	12967960035.920137
2022	12386629898.749296