Year	constant 2010 US$
1980	2374.31952912237
1981	2473.55409451475
1982	2596.43472705421
1983	2649.73330889273
1984	2779.82356093775
1985	2776.85543423884
1986	2830.47437097254
1987	2987.840147527
1988	3180.26496278771
1989	3094.89049430358
1990	3330.72474755751
1991	2521.22965113832
1992	2487.28705678156
1993	2434.49763695812
1994	2335.29664074424
1995	2277.6953027412
1996	2355.52705116657
1997	1956.37722696677
1998	1933.60279946266
1999	2086.34095213877
2000	2263.79571679082
2001	2487.62193769011
2002	2690.13885338696
2003	2884.96792128733
2004	3181.19052948615
2005	3444.40494832845
2006	3769.75447952271
2007	4277.29764040346
2008	4451.99486567384
2009	4277.85078426661
2010	4366.34391786294
2011	4480.50102643879
2012	4641.21776000615
2013	4552.1113281571
2014	4703.6508092141
2015	4946.54105247753
2016	5158.30739798336
2017	5431.0768839232
2018	5819.30653356913