Year	constant 2010 US$
1970	11761.8440543155
1971	12579.2153434583
1972	13563.209441942
1973	14436.6012582223
1974	13677.6537019998
1975	14235.7472970381
1976	14931.443215321
1977	15313.2501864769
1978	16119.3385593999
1979	16440.5569356686
1980	16304.7126108393
1981	16164.3497263052
1982	15605.017284151
1983	15234.0746894138
1984	15179.9118091848
1985	15306.2087507727
1986	15317.6549811147
1987	15315.4254990412
1988	15923.7034613434
1989	16410.8429154472
1990	16590.7695586669
1991	17118.3596848
1992	17248.7447732749
1993	16960.2958325768
1994	17352.593831213
1995	17516.8121353319
1996	17860.5873922703
1997	18679.1480352571
1998	19074.5686625967
1999	19320.1187478385
2000	20103.1414504777
2001	20823.2139776428
2002	21600.4024827659
2003	22408.0398221291
2004	23409.0259904973
2005	23697.931061375
2006	24370.2370840269
2007	24881.1604391728
2008	24414.5333377294
2009	23431.2859987034
2010	21801.2777099655
2011	19324.556752218
2012	18315.1538985288
2013	17854.8429889578
2014	18706.8722317299
2015	19022.8027401563
2016	19082.0559350277
2017	19527.1905520069