Year	constant 2010 US$
1981	590406305603.917
1982	559553144660.384
1983	530350411096.721
1984	517071489524.936
1985	516195312293.775
1986	497467153800.754
1987	476940539384.278
1988	502167388089.125
1989	512370527863.404
1990	539643105732.773
1991	550003258540.849
1992	555749163231.116
1993	566571162979.822
1994	576302254220.735
1995	595486889524.021
1996	637377676458.727
1997	655838458645.083
1998	675127289094.3
1999	674784990858.976
2000	701333062457.509
2001	765347522615.898
2002	794490160076.131
2003	856894736675.16
2004	938417957484.964
2005	998335934973.089
2006	1052224512881.62
2007	1202984592268.37
2008	1232318769553.4
2009	1310593572556.26
2010	1361325519294.13
2011	1407447350468.92
2012	1466637669762.96
2013	1574176042461.26
2014	1622497288013.13
2015	1654399841463.75
2016	1639112193426.6
2017	1664349817906.18