Year	constant 2010 US$
1988	715977711.711609
1989	631683667.732233
1990	801085513.687129
1991	676833761.135615
1992	601996226.962498
1993	888938067.833513
1994	727242462.910252
1995	1230166202.92337
1996	1630915382.03174
1997	1748600312.71329
1998	1863958687.92834
1999	2287197903.21308
2000	2956470359.0825
2001	2895010518.84187
2002	2861081584.95511
2003	2951817248.14946
2004	2920408749.35141
2005	3114094491.93934
2006	3172840017.46901
2007	3187380989.13478
2008	3355474621.59097
2009	3551486919.64543
2010	4288035604.42178
2011	4292494835.7326
2012	4048788150.61444
2013	4178687497.49525
2014	4288811122.91061
2015	4382261100.8159
2016	4419098229.03583
2017	4509640012.60797
2018	4579048917.3592