Year	current US$
1995	1073442889.2266967
1996	1043405147.4380031
1997	810116962.3591759
1998	810016904.4820832
1999	877684777.8864917
2000	1054916779.4057486
2001	1216660807.8317728
2002	1233205617.0989473
2003	1215251087.706464
2004	1361090866.907431
2005	1493238424.4284735
2006	1697276337.191047
2007	2154275133.0209823
2008	2572344932.58662
2009	2278586961.306025
2010	2313891310.538067
2011	2555066070.9646974
2012	3115566487.3977876
2013	3475314569.914388
2014	3307292510.7773366
2015	3083773407.2224784
2016	2985063812.3811088
2017	3567242220.315865
2018	4047051585.4329844