Year	constant 2010 US$
1980	1550.40398471353
1981	1612.7766378954
1982	1593.38390102339
1983	1558.47626323473
1984	1667.49007770657
1985	2015.99213585814
1986	2185.67621508563
1987	2231.53936284923
1988	2756.77124053827
1989	3121.04069538116
1990	3431.98537090963
1991	3551.11616172092
1992	3483.05775370634
1993	3689.4823611013
1994	3140.3692646092
1995	3422.80820968537
1996	3722.95716175519
1997	4023.71943783742
1998	4200.73113016768
1999	4328.2775976752
2000	4421.97277211056
2001	4454.86720623616
2002	3867.12226821019
2003	3634.4031228474
2004	3637.43763430134
2005	4141.48640235764
2006	4319.07225249356
2007	4440.75507248856
2008	4334.46775987265
2009	3978.22883986906
2010	4648.7675980715
2011	5702.30167987546
2012	4938.34385861666
2013	5855.40844184262
2014	6244.38402875144
2015	6182.66172352281
2016	6607.08656498582
2017	6325.02172552998