Year	constant 2010 US$
1980	2232561441.52497
1981	2501482005.97991
1982	2561208799.0777
1983	2524578378.46715
1984	2495113473.77426
1985	2518476554.07256
1986	2636019859.97458
1987	2561596435.97725
1988	2565313543.38506
1989	2869970724.28825
1990	2029166669.99309
1991	1742103879.73926
1992	1818217173.06582
1993	2100862212.54276
1994	2450037589.04641
1995	2356989634.23085
1996	2409287615.08
1997	2383626780.64395
1998	2479961074.2064
1999	3027449939.49176
2000	3051832954.50626
2001	3269353371.55304
2002	3375011004.69991
2003	3406845438.68034
2004	3622033495.81063
2005	3978566317.05149
2006	4189239023.91239
2007	4554515945.12926
2008	4778281503.15756
2009	5120460488.36766
2010	5250899011.31846
2011	5410253102.92601
2012	5583130272.6035
2013	5600320401.04238
2014	5876518451.50404
2015	6038912479.18383
2016	6295104640.69609
2017	6675964584.37941
2018	6887977419.22389