Year	constant 2010 US$
1970	11398.4761735379
1971	12429.3315674893
1972	13458.0283707996
1973	13568.373673304
1974	13755.7547101096
1975	13373.9676883422
1976	13368.5757295175
1977	13336.1872415493
1978	13178.5620104815
1979	13641.2659086406
1980	12724.7833651019
1981	13377.8148154031
1982	13991.055329623
1983	14601.3715137854
1984	13639.873032418
1985	13565.232486049
1986	14602.998326705
1987	15674.2886515582
1988	16552.4783651825
1989	16111.9240786932
1990	17100.7655020829
1991	17889.7374541806
1992	18676.5431834586
1993	18879.5833709755
1994	19754.3994874783
1995	20488.5737275665
1996	21140.3544050685
1997	21528.6099349992
1998	22002.3771378556
1999	21861.4229035989
2000	22535.6541483705
2001	22381.0686446497
2002	21873.535560169
2003	21386.5698389529
2004	21916.4327825696
2005	22861.0902422776
2006	23849.4149907224
2007	24786.7481770387
2008	24558.9869379546
2009	24752.3928674618
2010	25867.4726993398
2011	26623.4296549319
2012	26603.8896169488
2013	27675.719748683
2014	28725.534738573
2015	29601.6320568197
2016	30481.4041907052
2017	30935.9922677512