Year	constant 2010 US$
1985	2047780589.23093
1986	1355294518.87767
1987	1006225033.16477
1988	857834878.733416
1989	685419985.859498
1990	829358200.424634
1991	920429409.816516
1992	917688895.759949
1993	1248153067.4522
1994	2165109220.50468
1995	1433687653.49679
1996	1429933910.69498
1997	909105182.402058
1998	850422487.606341
1999	1092756806.34777
2000	1255676061.35936
2001	1335867160.54737
2002	1306579162.73694
2003	1503613899.30374
2004	1505249777.71899
2005	1582160800.5968
2006	1987510394.19557
2007	1981575185.40281
2008	2031990756.17367
2009	2377807228.04608
2010	2434112627.88298
2011	3336584470.11961
2012	3467879516.22796
2013	4047602793.27878
2014	4965417446.3976
2015	4850018537.73928
2016	3335934500.8978
2017	1565148234.57506
2018	1388208432.0833