Year	current US$
2005	31749999.878928076
2006	33929999.93078411
2007	72989999.87728894
2008	41699999.88377094
2009	46859999.876469366
2010	50440000.14476477
2011	66680000.03322958
2012	57796960.23580619
2013	65576120.40988168
2014	55405361.86192187
2015	57287044.913973674
2016	51243864.68291051
2017	43989699.95928929
2018	14382256.238954145
2019	50524332.39296079
2022	5549469.045479784