Year	constant 2010 US$
1997	6250870061.28811
1998	6799977657.43901
1999	7144603774.18801
2000	7410650170.09273
2001	7494565793.55142
2002	7345176006.86582
2003	7490665312.24065
2004	7755232350.15634
2005	8018412277.57091
2006	8237438206.06491
2007	8808137585.53428
2008	8993163700.38822
2009	8620840756.61563
2010	8377221592.22009
2011	8454988708.12158
2012	8449873327.43608
2013	8584476631.63928
2014	8773331845.5174
2015	9151223981.96873
2016	9951916085.06369