Year	constant 2010 US$
1970	16507867102.615
1971	17396045493.7516
1972	19141775406.3614
1973	20749684525.8393
1974	22331560842.2094
1975	22328498157.9176
1976	23425510494.1862
1977	24613013727.0241
1978	26705931277.9572
1979	28842324888.5055
1980	27782717001.3172
1981	31404265206.3734
1982	33975305076.9262
1983	36937412151.7261
1984	34404922177.8696
1985	34846818178.7789
1986	40104833116.0278
1987	43675361509.5046
1988	45719536423.7525
1989	45970753134.2146
1990	48714552410.7543
1991	52245977467.0866
1992	56206366851.8778
1993	60256230303.7597
1994	66016128029.7408
1995	71587962289.13
1996	75891594354.0676
1997	78961970914.4886
1998	83533813785.8638
1999	86996248570.7981
2000	94293554811.1448
2001	97989220976.3371
2002	99447574936.9814
2003	99573873374.3874
2004	104876112437.232
2005	108430814835.617
2006	113871352656.811
2007	122924387111.441
2008	125126417694.689
2009	126467660281.227
2010	132580765503.915
2011	137853688163.2
2012	141938651368.356
2013	147134840885.537
2014	153407640543.197
2015	159760649803.756
2016	169977760669.702
2017	175694758670.491