Year	constant 2010 US$
1980	4049515805.51122
1981	5055500979.33167
1982	5016971023.64694
1983	4720042560.88572
1984	4784387953.62499
1985	4396558328.87333
1986	4617609311.15671
1987	5238431345.08203
1988	5098818490.10187
1989	5216154445.75739
1990	4799425290.82681
1991	5198725971.09866
1992	5349962891.46116
1993	5359991111.66105
1994	5489021648.60487
1995	5727645532.2411
1996	6282930392.27336
1997	6496676677.1152
1998	6923904710.52295
1999	7080708857.76269
2000	7253941049.98491
2001	8090376087.01026
2002	7922570667.18113
2003	8332839388.70451
2004	8609722696.13339
2005	8610077890.6261
2006	9692070327.30438
2007	10529914449.3074
2008	12080332129.4011
2009	13021138163.0065
2010	12737463803.748
2011	13439511146.3717
2012	15318932825.5546
2013	16431224610.9624
2014	18818609401.7298
2015	20943760992.3182
2016	20095872493.4978
2017	18721263057.4059
2018	18342179910.6878