Year constant 2010 US$ 1980 2203.54056555678 1981 2946.22140602735 1982 2938.52861574556 1983 2737.25141061627 1984 2760.70485554147 1985 2306.40624933005 1986 2404.77148915471 1987 2747.93913022901 1988 2477.81310103646 1989 2459.98801615333 1990 1966.47322586556 1991 2186.28976306715 1992 2055.11578211996 1993 2000.5440848329 1994 1966.52704891084 1995 1981.61564436556 1996 2146.34152070183 1997 2259.50681895635 1998 2296.78387983577 1999 2285.22920804086 2000 2376.41944368462 2001 2548.99370699334 2002 2473.90021341331 2003 2640.0413781747 2004 2649.87400721125 2005 2628.64653779186 2006 2809.43888653683 2007 2928.86212614856 2008 3243.75532111252 2009 3628.00221850747 2010 3366.2460946952 2011 3600.72881333239 2012 3877.79409570165 2013 4170.83642332429 2014 4378.97612985236 2015 4852.49344241146 2016 5109.44690441385 2017 4847.91831373325 2018 4876.10375971741