Year	constant 2010 US$
1980	5323413429.2078
1981	5629277349.93579
1982	5795262041.82743
1983	5859296109.50071
1984	5785961355.99125
1985	5888988727.39149
1986	6220965342.69439
1987	6171953924.17107
1988	6084309730.97047
1989	6682795837.17283
1990	6042875354.54374
1991	4350740837.66611
1992	4038048267.97926
1993	4424061926.33187
1994	4791385885.98412
1995	5429710284.36621
1996	5923813890.03275
1997	5276934356.01002
1998	5742892287.97611
1999	6483145173.3945
2000	6933726105.57995
2001	7508536855.2307
2002	7849421473.13165
2003	8283498466.36982
2004	8739919123.61791
2005	9223229205.55263
2006	9767407472.26188
2007	10351496684.5109
2008	11127855784.8838
2009	11500638274.9451
2010	11926953213.6961
2011	12230542524.082
2012	12403913643.3434
2013	12528199360.3781
2014	12749948526.2141
2015	13034272401.1992
2016	13470920485.9895
2017	13987748469.2562
2018	14547875720.1519