Year	constant 2010 US$
1960	12195.3280642679
1961	13030.4598838557
1962	13328.0819160592
1963	13668.9439277653
1964	14305.2131504321
1965	15013.6629711267
1966	15312.4118896814
1967	15560.0180099671
1968	15847.1013080792
1969	17377.4406915854
1970	18373.79065166
1971	18783.1262896109
1972	20116.0057692322
1973	21399.0003808903
1974	21976.2295032349
1975	22273.7930840788
1976	22283.2264036494
1977	22274.2003438967
1978	22858.8148888497
1979	24424.2996337101
1980	25660.5878865097
1981	25882.2072097247
1982	26532.2091838819
1983	27197.7146200217
1984	27922.2839315644
1985	28789.4867096145
1986	29478.4277861699
1987	30441.1315800312
1988	31934.1075100946
1989	33437.8844069668
1990	33514.9230312744
1991	31360.954387065
1992	30148.4350073736
1993	29782.5435266688
1994	30822.6083597141
1995	31997.004165002
1996	33059.0966943048
1997	35021.5866269695
1998	36824.847965247
1999	38372.2220413352
2000	40450.3733748937
2001	41399.9435810574
2002	41993.6890221885
2003	42729.0244671581
2004	44277.8427026504
2005	45353.2599997077
2006	47011.657598012
2007	49239.1939572439
2008	49363.6971964824
2009	45065.7534943592
2010	46202.4151628454
2011	47171.0220648002
2012	46277.5562828706
2013	45715.6468163534
2014	45239.3688031623
2015	45316.3542706583
2016	46438.8227423128
2017	47739.943826416
2018	48444.7418616122