Year	current US$
2000	55822092.110987
2001	28936974.9931771
2002	15280128.2547127
2003	16579332.4182804
2004	14912668.7848099
2005	11440182.1875086
2006	13175715.9410337
2007	16046272.1018293
2008	21203708.8506465
2009	23880103.285794
2010	32637322.5359287
2011	60518082.1559769
2012	6524981185.85476
2013	11418499287.2454
2014	14508467646.5863
2015	15853479719.6333
2016	13892176057.7058
2017	18673785842.343