Year	constant 2010 US$
1989	1494877946.13204
1990	1448629520.51726
1991	1389947781.25904
1992	1283358856.78502
1993	1044781604.29876
1994	1217083122.10143
1995	1366861554.99525
1996	1573419631.76952
1997	2224968924.06895
1998	2809353624.60216
1999	2540781211.9208
2000	3071105743.81019
2001	2701163215.80622
2002	2798258969.1233
2003	2932375835.98562
2004	2694658244.1202
2005	3285419451.90758
2006	3922369462.24114
2007	3796135640.06117
2008	3510185493.32452
2009	3049266790.39392
2010	2825400000
2011	3244824691.43967
2012	3924051178.44004
2013	3492982938.03993
2014	3985655712.80949
2015	3249636268.34208
2016	3244602798.33009
2017	3623094050.34514