Year	constant 2010 US$
1970	1205.77595394877
1971	1224.61697245539
1972	1420.89013714604
1973	1450.87691419181
1974	1813.32835536086
1975	1789.63728934239
1976	1869.76563124514
1977	1902.90282520881
1978	2006.8702566475
1979	1884.32989623963
1980	2233.3617062019
1981	2547.18711231659
1982	2575.35240313326
1983	2689.89593169379
1984	2642.79747336121
1985	2644.76772532193
1986	2379.23163693751
1987	2163.58991890297
1988	2028.45145301988
1989	1991.57314733362
1990	1990.71459649778
1991	2012.81839253068
1992	1948.09428081141
1993	1776.96479227296
1994	1713.88443848388
1995	1703.56882663346
1996	1738.14248777993
1997	1809.03345702449
1998	1814.64858523385
1999	1829.39778500415
2000	2128.60237353729
2001	2191.81624933316
2002	2219.25413968779
2003	2406.32688393065
2004	2508.9235254565
2005	2678.14617335444
2006	2825.19543926904
2007	3040.97646877688
2008	3154.59398693472
2009	3022.45795375782
2010	3407.25117062983
2011	3392.88947425822
2012	3573.84479060676
2013	3623.93426191942
2014	3679.74942681679
2015	3602.57266000627
2016	3698.5615859026
2017	3628.55336199994