Year	constant 2010 US$
1970	1225.81353826732
1971	1354.32585300978
1972	1386.98282378204
1973	1468.62580135184
1974	1507.51604575977
1975	1665.59989614936
1976	1580.22589397618
1977	1546.21553201216
1978	1516.76403295106
1979	1512.92847899261
1980	1644.71587103467
1981	1821.92302388831
1982	1780.56357240141
1983	1740.34020786833
1984	1784.30427385914
1985	1788.81396276668
1986	1940.16585857762
1987	2149.19400226659
1988	2215.98838867142
1989	2424.57806540901
1990	2848.86067014861
1991	2820.6563447751
1992	2838.68991866911
1993	2858.56986277252
1994	2862.96999299844
1995	2938.88902336723
1996	2991.55150574964
1997	3027.00969639072
1998	3053.56309481733
1999	3098.79686280566
2000	3117.81625512414
2001	3125.29382787028
2002	3244.73839805638
2003	3358.30613200056
2004	3468.19445470699
2005	3660.92985788084
2006	3859.65198294914
2007	4005.48140263273
2008	4010.34200461761
2009	4044.13290072096
2010	4168.50506162166
2011	4233.57509298305
2012	4403.5068682471
2013	4653.69939382694
2014	4708.11888116367
2015	4687.90523831464
2016	4795.79389128439
2017	4838.84410424584
2018	4820.02414110803