Year	constant 2010 US$
1970	4492335500977.96
1971	4696037679156.1
1972	4936565048107.44
1973	5188026579726.53
1974	5266523904575.89
1975	5360697269637.09
1976	5579689815385.22
1977	5731413389453.68
1978	5910652166688.1
1979	6128377902309.35
1980	6237559936837.8
1981	6266828145721.27
1982	6319379218001.12
1983	6402486389674.74
1984	6501348002176.29
1985	6664829980484.91
1986	6931948320054.33
1987	7189789250123.85
1988	7462643853690.63
1989	7704764568507.8
1990	7935499177195.31
1991	8013229036989.23
1992	8137585476761.28
1993	8151345962847.43
1994	8277230733302.48
1995	8417522612123.47
1996	8599291895836.56
1997	8839246128666.05
1998	9097437056581.03
1999	9374139818505.75
2000	9696978602129.63
2001	9915191328438.08
2002	10120905517946.9
2003	10350633052537
2004	10675314290599.9
2005	10998248648810.2
2006	11328849357529.6
2007	11706188108070.5
2008	11862920898703.7
2009	11656040242897.8
2010	11846918532906.4
2011	11999709322452.9
2012	12062806665519.7
2013	12181168666942.3
2014	12342173058048.9
2015	12482296808559.6
2016	12737436303438.4
2017	13048010684296.8
2018	13273093910001.7