Year	constant 2010 US$
1997	689877570.990402
1998	678908517.559188
1999	710070418.755863
2000	665831953.700164
2001	624349612.305331
2002	585451683.466447
2003	548977155.04709
2004	514775044.872172
2005	503568802.913495
2006	541221898.717504
2007	632012052.957324
2008	673747807.896346
2009	709893799.637911
2010	750896832.439257
2011	803299943.449535
2012	859233108.771931
2013	883534242.812963
2014	961115793.968916
2015	964825598.009457
2016	1002599262.13846
2017	934486613.002157
2018	937526552.172015