Year	constant 2010 US$
1993	2906480831.20608
1994	2393759730.00241
1995	1993969816.76114
1996	2113652231.78995
1997	1924959604.00873
1998	2268024695.08982
1999	2275040122.51114
2000	2160950911.4813
2001	2209348837.19348
2002	2313549164.10963
2003	2869815182.67406
2004	3085903100.38824
2005	3342693941.77811
2006	3984758445.23935
2007	4093530951.35169
2008	4610974780.01886
2009	3948074373.31372
2010	4055812880.86624
2011	4434733057.01744
2012	4929512505.90203
2013	5322854708.84282
2014	5127348257.26375
2015	5159170347.87145
2016	5325212129.40856
2017	5603583218.65788
2018	5808582838.29591