Year	constant 2010 US$
1971	961.005061233344
1972	966.293251675978
1973	1070.10274503026
1974	1069.75381608427
1975	1066.85387670866
1976	1144.66510939303
1977	1246.90311583096
1978	1369.80192720664
1979	1380.71062904886
1980	1352.99495265538
1981	1388.69715680588
1982	1408.60082184462
1983	1478.66334413643
1984	1537.16485738447
1985	1533.00458654407
1986	1563.27640001188
1987	1715.39222660307
1988	1938.28503533524
1989	2136.13219312134
1990	2298.97206742272
1991	2473.62889694059
1992	2665.87199686179
1993	2930.28974929814
1994	3113.88397046364
1995	3337.4220708479
1996	3411.36942936459
1997	3109.22511224761
1998	2635.53703191732
1999	2716.73053559727
2000	2759.46676850838
2001	2725.63566687664
2002	2953.44685848851
2003	3133.51950240623
2004	3323.27125293077
2005	3403.73066321284
2006	3593.61572810043
2007	3801.55194772581
2008	3710.24062613736
2009	3736.95474022138
2010	4000.15571487078
2011	4001.56399447986
2012	4088.34885019369
2013	4093.67525596597
2014	4125.79413456121
2015	4367.97956749949
2016	4526.6359858739
2017	4665.61307365041