Year constant 2010 US$ 1960 2541.01037465552 1961 2661.53399687052 1962 2866.04261120007 1963 2908.2334851494 1964 3003.28904998464 1965 3096.06073918654 1966 3245.09672533511 1967 3269.79181711557 1968 3168.32753082816 1969 3187.16354968082 1970 3235.51125612173 1971 3307.58562695583 1972 3330.05628317894 1973 3429.74132304642 1974 3665.84540748267 1975 3723.24100477784 1976 3644.00740897505 1977 3631.73366296151 1978 3387.98646104019 1979 3381.10419549701 1980 3527.64198506451 1981 3652.78020803704 1982 3557.07432194174 1983 3052.80909458514 1984 3083.00231960087 1985 3097.0048765497 1986 3275.48967241539 1987 3541.41469877883 1988 3031.13504473794 1989 2661.1519602842 1990 2497.12231454374 1991 2572.60111415636 1992 2510.21845140345 1993 2571.64971596261 1994 2845.12658566854 1995 2988.28889124461 1996 3053.4483319325 1997 3201.50579904056 1998 3164.22164246406 1999 3159.37586771852 2000 3182.9661767109 2001 3180.56781825607 2002 3300.22592016263 2003 3372.48985434131 2004 3443.75448244788 2005 3585.67823992271 2006 3732.65924433652 2007 4028.39361681559 2008 4408.30864260607 2009 4450.8518246255 2010 4709.05317559097 2011 4951.45749150241 2012 5280.98237456153 2013 5616.42978040716 2014 5731.17497374784 2015 5916.38486471382 2016 6015.2471307787 2017 6030.82207680863 2018 6199.6416938431