Year	constant 2010 US$
1970	10758.1572693067
1971	11266.8271311377
1972	11887.1106602443
1973	12815.516261436
1974	13133.5313150796
1975	13207.6958963976
1976	13854.409300202
1977	14201.40855226
1978	14542.3477436803
1979	15274.8439380753
1980	15134.0021440757
1981	15197.6533260776
1982	15572.4813756462
1983	15550.3272892849
1984	15607.9460578575
1985	16025.9041902038
1986	16455.7656701343
1987	16727.0607374673
1988	17227.2127612932
1989	17732.5122679164
1990	18240.9536794354
1991	18722.1847815474
1992	19002.1830764008
1993	18843.2356131
1994	19235.1457933763
1995	19497.4227255518
1996	19888.7307791291
1997	20195.2041699704
1998	20700.3571399849
1999	20999.1077013042
2000	21556.4426160406
2001	21700.2648169298
2002	21689.1183254319
2003	21710.1560980999
2004	21953.6366170937
2005	22101.7496060256
2006	22279.3461097693
2007	22526.2404244929
2008	22727.8419175782
2009	22656.8431252373
2010	23058.3206760192
2011	22838.5938384431
2012	22830.0326260443
2013	22892.2517614243
2014	22938.2255015241
2015	23013.4112874231
2016	23295.7680384246
2017	23463.0831607631
2018	23606.2860833409