Year	constant 2010 US$
1997	1129573810.0299
1998	1227206419.65019
1999	1196243874.10554
2000	1182340555.59949
2001	1191515244.13763
2002	1289578110.33635
2003	1247567239.4347
2004	1297469929.01208
2005	1461914252.5963
2006	1614362078.42978
2007	1590728948.55167
2008	1645874113.31549
2009	1651032942.5766
2010	1646834693.98251
2011	1776231931.24523
2012	1846444072.09301
2013	2040907486.96207
2014	2117861303.93678
2015	2074448535.86058
2016	2039090467.4826
2017	2042405503.91877
2018	2128186106.78264