Year	current US$
1960	360600006.245077
1961	463499994.277954
1962	403000006.67572
1963	320299994.707108
1964	395399996.28067
1965	304900007.963181
1966	259799996.01841003
1967	264099999.308586
1968	259599997.259676
1969	282799999.68409497
1970	281199998.013675
1971	277499997.45190096
1972	324109996.557236
1973	364229994.773865
1974	419359997.18308395
1975	585119999.911636
1976	587560000.881553
1977	533059994.98814297
1978	620539999.067783
1979	739949995.741248
1980	933450001.183897
1981	905409982.597455
1982	813709993.988276
1983	731019997.373223
1984	782079990.601167
1985	837739998.12454
1986	1131789990.1922798
1987	1411630004.19736
1988	1422839992.8454301
1989	1606900003.65861
1990	2294389997.01291
1991	2244979995.06816
1992	2829659982.72225
1993	2798209983.79774
1994	3195829953.6407
1995	2861059964.72947
1996	2441449994.2418203
1997	1935170004.1648002
1998	1720120009.47632
1999	1681529998.1497202
2000	1385599999.79474
2001	1180079997.3178701
2002	1515409981.14087
2003	1579689995.4732502
2004	2332139976.68214
2005	3867359999.0122004
2006	4175600031.0815897
2007	2243269979.96308
2008	2322850037.15381
2009	2947580066.86531
2010	3066750011.11068
2011	2885119974.06185
2012	3619110000.14469
2013	3077589998.9344196
2014	2461599999.33466
2015	1468259996.92455
2016	2098860010.2998297
2017	2305189977.99605
2018	2480970046.9765797
2019	3094879993.79635
2020	3448419993.07275
2021	3227499992.4358
2022	4025840019.0956893