Year	constant 2010 US$
1986	502.493827666381
1987	490.113628211442
1988	507.077908863623
1989	485.951638727538
1990	513.266376440498
1991	514.172156483107
1992	542.780553650483
1993	525.997620644522
1994	505.869710581509
1995	518.823732734967
1996	546.567441574574
1997	542.815738959046
1998	542.532085063304
1999	538.492795949136
2000	534.24505843648
2001	601.245412883478
2002	622.932950186456
2003	643.412940947752
2004	658.309455812767
2005	702.721371331877
2006	681.169653148896
2007	751.44896166364
2008	716.43795675375
2009	753.643490839124
2010	767.513207039416
2011	764.288998776854
2012	774.629592782234
2013	828.574891486561
2014	835.430656999536
2015	842.445333822846
2016	836.939891248348
2017	851.823438035679
