Year	constant 2010 US$
1980	260463713137.402
1981	241712853085.392
1982	241796488848.748
1983	259065856416.922
1984	259654448199.779
1985	269495337480.605
1986	246092613062.945
1987	236247197998.582
1988	225401911797.245
1989	236598995582.949
1990	254044294414.643
1991	274440122471.987
1992	286740135453.049
1993	291395339013.441
1994	300082022465.752
1995	309117015924.515
1996	325909721153.188
1997	339952596477.924
1998	353400024044.238
1999	360677331525.901
2000	365871722144.688
2001	395352808478.985
2002	414060601550.379
2003	437853637199.629
2004	469246041874.604
2005	501039264990.881
2006	532687491623.69
2007	583060680223.041
2008	600658314794.077
2009	621232245748.094
2010	656666347238.461
2011	683551766447.624
2012	710344408688.811
2013	739650644902.03
2014	752153149414.651
2015	755656806186.018
2016	776261670414.259
2017	804099801394.55