Year	constant 2010 US$
1960	2726453278.68982
1961	2949721208.50546
1962	3349793813.32609
1963	3632437918.83036
1964	4139088896.49889
1965	4602698789.74318
1966	4835674458.20577
1967	5227040455.08418
1968	5039378552.59695
1969	5277916012.28376
1970	5354582536.88063
1971	5482407249.68041
1972	5139424447.65452
1973	6282351557.61348
1974	7364400674.04526
1975	6628659981.27197
1976	6931947482.75235
1977	8439367521.75208
1978	6699474359.88468
1979	3857678070.71143
1980	6537595727.59666
1981	6768500806.27287
1982	6144148693.00833
1983	6606605884.66843
1984	6788701252.58407
1985	6700531448.32908
1986	6556070007.74579
1987	6580958630.83309
1988	6091128846.27724
1989	5416853130.00519
1990	5212813633.51342
1991	5695408922.82418
1992	5868178901.65151
1993	5522823940.40634
1994	5821610029.15597
1995	6187666202.43246
1996	6641742196.15594
1997	7199199779.79307
1998	7536188372.75333
1999	8388408938.11619
2000	8259344867.71285
2001	8332490384.48578
2002	8424597615.2297
2003	8544896458.70836
2004	8881949786.91952
2005	9353852395.38651
2006	9544879299.53541
2007	10230954869.1976
2008	10788362107.0151
2009	10016576667.3026
2010	10460407587.4211
2011	11324460517.4635
2012	11830099022.1598
2013	12293768109.0941
2014	12695785964.8444
2015	14052248209.2973
2016	14662877137.8981
2017	15052575643.7956
2018	13675292760.0783